625737728

素因数分解:

$2^{18}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 152

約数和(自身を含む): 1610609664

約数和(自身を除く): 984871936

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 128, 154, 176, 217, 224, 248, 256, 308, 341, 352, 434, 448, 496, 512, 616, 682, 704, 868, 896, 992, 1024, 1232, 1364, 1408, 1736, 1792, 1984, 2048, 2387, 2464, 2728, 2816, 3472, 3584, 3968, 4096, 4774, 4928, 5456, 5632, 6944, 7168, 7936, 8192, 9548, 9856, 10912, 11264, 13888, 14336, 15872, 16384, 19096, 19712, 21824, 22528, 27776, 28672, 31744, 32768, 38192, 39424, 43648, 45056, 55552, 57344, 63488, 65536, 76384, 78848, 87296, 90112, 111104, 114688, 126976, 131072, 152768, 157696, 174592, 180224, 222208, 229376, 253952, 262144, 305536, 315392, 349184, 360448, 444416, 458752, 507904, 611072, 630784, 698368, 720896, 888832, 917504, 1015808, 1222144, 1261568, 1396736, 1441792, 1777664, 1835008, 2031616, 2444288, 2523136, 2793472, 2883584, 3555328, 4063232, 4888576, 5046272, 5586944, 7110656, 8126464, 9777152, 10092544, 11173888, 14221312, 19554304, 20185088, 22347776, 28442624, 39108608, 44695552, 56885248, 78217216, 89391104, 156434432, 312868864, 625737728]

約数ペア:

[(1, 625737728), (2, 312868864), (4, 156434432), (7, 89391104), (8, 78217216), (11, 56885248), (14, 44695552), (16, 39108608), (22, 28442624), (28, 22347776), (31, 20185088), (32, 19554304), (44, 14221312), (56, 11173888), (62, 10092544), (64, 9777152), (77, 8126464), (88, 7110656), (112, 5586944), (124, 5046272), (128, 4888576), (154, 4063232), (176, 3555328), (217, 2883584), (224, 2793472), (248, 2523136), (256, 2444288), (308, 2031616), (341, 1835008), (352, 1777664), (434, 1441792), (448, 1396736), (496, 1261568), (512, 1222144), (616, 1015808), (682, 917504), (704, 888832), (868, 720896), (896, 698368), (992, 630784), (1024, 611072), (1232, 507904), (1364, 458752), (1408, 444416), (1736, 360448), (1792, 349184), (1984, 315392), (2048, 305536), (2387, 262144), (2464, 253952), (2728, 229376), (2816, 222208), (3472, 180224), (3584, 174592), (3968, 157696), (4096, 152768), (4774, 131072), (4928, 126976), (5456, 114688), (5632, 111104), (6944, 90112), (7168, 87296), (7936, 78848), (8192, 76384), (9548, 65536), (9856, 63488), (10912, 57344), (11264, 55552), (13888, 45056), (14336, 43648), (15872, 39424), (16384, 38192), (19096, 32768), (19712, 31744), (21824, 28672), (22528, 27776)]