31881428992

素因数分解:

$2^{19}\times 7^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 79612008300

約数和(自身を除く): 47730579308

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 73, 98, 112, 119, 128, 136, 146, 196, 224, 238, 256, 272, 292, 392, 448, 476, 511, 512, 544, 584, 784, 833, 896, 952, 1022, 1024, 1088, 1168, 1241, 1568, 1666, 1792, 1904, 2044, 2048, 2176, 2336, 2482, 3136, 3332, 3577, 3584, 3808, 4088, 4096, 4352, 4672, 4964, 6272, 6664, 7154, 7168, 7616, 8176, 8192, 8687, 8704, 9344, 9928, 12544, 13328, 14308, 14336, 15232, 16352, 16384, 17374, 17408, 18688, 19856, 25088, 26656, 28616, 28672, 30464, 32704, 32768, 34748, 34816, 37376, 39712, 50176, 53312, 57232, 57344, 60809, 60928, 65408, 65536, 69496, 69632, 74752, 79424, 100352, 106624, 114464, 114688, 121618, 121856, 130816, 131072, 138992, 139264, 149504, 158848, 200704, 213248, 228928, 229376, 243236, 243712, 261632, 262144, 277984, 278528, 299008, 317696, 401408, 426496, 457856, 458752, 486472, 487424, 523264, 524288, 555968, 557056, 598016, 635392, 802816, 852992, 915712, 917504, 972944, 974848, 1046528, 1111936, 1114112, 1196032, 1270784, 1605632, 1705984, 1831424, 1835008, 1945888, 1949696, 2093056, 2223872, 2228224, 2392064, 2541568, 3211264, 3411968, 3662848, 3670016, 3891776, 3899392, 4186112, 4447744, 4456448, 4784128, 5083136, 6422528, 6823936, 7325696, 7783552, 7798784, 8372224, 8895488, 8912896, 9568256, 10166272, 12845056, 13647872, 14651392, 15567104, 15597568, 16744448, 17790976, 19136512, 20332544, 25690112, 27295744, 29302784, 31134208, 31195136, 33488896, 35581952, 38273024, 40665088, 54591488, 58605568, 62268416, 62390272, 66977792, 71163904, 81330176, 109182976, 117211136, 124536832, 133955584, 142327808, 162660352, 218365952, 234422272, 249073664, 267911168, 284655616, 325320704, 436731904, 468844544, 498147328, 569311232, 650641408, 937689088, 996294656, 1138622464, 1875378176, 1992589312, 2277244928, 3985178624, 4554489856, 7970357248, 15940714496, 31881428992]

約数ペア:

[(1, 31881428992), (2, 15940714496), (4, 7970357248), (7, 4554489856), (8, 3985178624), (14, 2277244928), (16, 1992589312), (17, 1875378176), (28, 1138622464), (32, 996294656), (34, 937689088), (49, 650641408), (56, 569311232), (64, 498147328), (68, 468844544), (73, 436731904), (98, 325320704), (112, 284655616), (119, 267911168), (128, 249073664), (136, 234422272), (146, 218365952), (196, 162660352), (224, 142327808), (238, 133955584), (256, 124536832), (272, 117211136), (292, 109182976), (392, 81330176), (448, 71163904), (476, 66977792), (511, 62390272), (512, 62268416), (544, 58605568), (584, 54591488), (784, 40665088), (833, 38273024), (896, 35581952), (952, 33488896), (1022, 31195136), (1024, 31134208), (1088, 29302784), (1168, 27295744), (1241, 25690112), (1568, 20332544), (1666, 19136512), (1792, 17790976), (1904, 16744448), (2044, 15597568), (2048, 15567104), (2176, 14651392), (2336, 13647872), (2482, 12845056), (3136, 10166272), (3332, 9568256), (3577, 8912896), (3584, 8895488), (3808, 8372224), (4088, 7798784), (4096, 7783552), (4352, 7325696), (4672, 6823936), (4964, 6422528), (6272, 5083136), (6664, 4784128), (7154, 4456448), (7168, 4447744), (7616, 4186112), (8176, 3899392), (8192, 3891776), (8687, 3670016), (8704, 3662848), (9344, 3411968), (9928, 3211264), (12544, 2541568), (13328, 2392064), (14308, 2228224), (14336, 2223872), (15232, 2093056), (16352, 1949696), (16384, 1945888), (17374, 1835008), (17408, 1831424), (18688, 1705984), (19856, 1605632), (25088, 1270784), (26656, 1196032), (28616, 1114112), (28672, 1111936), (30464, 1046528), (32704, 974848), (32768, 972944), (34748, 917504), (34816, 915712), (37376, 852992), (39712, 802816), (50176, 635392), (53312, 598016), (57232, 557056), (57344, 555968), (60809, 524288), (60928, 523264), (65408, 487424), (65536, 486472), (69496, 458752), (69632, 457856), (74752, 426496), (79424, 401408), (100352, 317696), (106624, 299008), (114464, 278528), (114688, 277984), (121618, 262144), (121856, 261632), (130816, 243712), (131072, 243236), (138992, 229376), (139264, 228928), (149504, 213248), (158848, 200704)]