28398583808

素因数分解:

$2^{20}\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 168

約数和(自身を含む): 67041723168

約数和(自身を除く): 38643139360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 73, 106, 112, 128, 146, 212, 224, 256, 292, 371, 424, 448, 511, 512, 584, 742, 848, 896, 1022, 1024, 1168, 1484, 1696, 1792, 2044, 2048, 2336, 2968, 3392, 3584, 3869, 4088, 4096, 4672, 5936, 6784, 7168, 7738, 8176, 8192, 9344, 11872, 13568, 14336, 15476, 16352, 16384, 18688, 23744, 27083, 27136, 28672, 30952, 32704, 32768, 37376, 47488, 54166, 54272, 57344, 61904, 65408, 65536, 74752, 94976, 108332, 108544, 114688, 123808, 130816, 131072, 149504, 189952, 216664, 217088, 229376, 247616, 261632, 262144, 299008, 379904, 433328, 434176, 458752, 495232, 523264, 524288, 598016, 759808, 866656, 868352, 917504, 990464, 1046528, 1048576, 1196032, 1519616, 1733312, 1736704, 1835008, 1980928, 2093056, 2392064, 3039232, 3466624, 3473408, 3670016, 3961856, 4186112, 4784128, 6078464, 6933248, 6946816, 7340032, 7923712, 8372224, 9568256, 12156928, 13866496, 13893632, 15847424, 16744448, 19136512, 24313856, 27732992, 27787264, 31694848, 33488896, 38273024, 48627712, 55465984, 55574528, 63389696, 66977792, 76546048, 97255424, 110931968, 126779392, 133955584, 194510848, 221863936, 253558784, 267911168, 389021696, 443727872, 507117568, 535822336, 887455744, 1014235136, 1774911488, 2028470272, 3549822976, 4056940544, 7099645952, 14199291904, 28398583808]

約数ペア:

[(1, 28398583808), (2, 14199291904), (4, 7099645952), (7, 4056940544), (8, 3549822976), (14, 2028470272), (16, 1774911488), (28, 1014235136), (32, 887455744), (53, 535822336), (56, 507117568), (64, 443727872), (73, 389021696), (106, 267911168), (112, 253558784), (128, 221863936), (146, 194510848), (212, 133955584), (224, 126779392), (256, 110931968), (292, 97255424), (371, 76546048), (424, 66977792), (448, 63389696), (511, 55574528), (512, 55465984), (584, 48627712), (742, 38273024), (848, 33488896), (896, 31694848), (1022, 27787264), (1024, 27732992), (1168, 24313856), (1484, 19136512), (1696, 16744448), (1792, 15847424), (2044, 13893632), (2048, 13866496), (2336, 12156928), (2968, 9568256), (3392, 8372224), (3584, 7923712), (3869, 7340032), (4088, 6946816), (4096, 6933248), (4672, 6078464), (5936, 4784128), (6784, 4186112), (7168, 3961856), (7738, 3670016), (8176, 3473408), (8192, 3466624), (9344, 3039232), (11872, 2392064), (13568, 2093056), (14336, 1980928), (15476, 1835008), (16352, 1736704), (16384, 1733312), (18688, 1519616), (23744, 1196032), (27083, 1048576), (27136, 1046528), (28672, 990464), (30952, 917504), (32704, 868352), (32768, 866656), (37376, 759808), (47488, 598016), (54166, 524288), (54272, 523264), (57344, 495232), (61904, 458752), (65408, 434176), (65536, 433328), (74752, 379904), (94976, 299008), (108332, 262144), (108544, 261632), (114688, 247616), (123808, 229376), (130816, 217088), (131072, 216664), (149504, 189952)]