690225664

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{43487}}^1$

素因数の和:43536

約数の個数: 40

約数和(自身を含む): 1423623168

約数和(自身を除く): 733397504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 43487, 86974, 173948, 347896, 695792, 1348097, 1391584, 2696194, 2783168, 5392388, 5566336, 10784776, 11132672, 21569552, 22265344, 43139104, 86278208, 172556416, 345112832, 690225664]

約数ペア:

[(1, 690225664), (2, 345112832), (4, 172556416), (8, 86278208), (16, 43139104), (31, 22265344), (32, 21569552), (62, 11132672), (64, 10784776), (124, 5566336), (128, 5392388), (248, 2783168), (256, 2696194), (496, 1391584), (512, 1348097), (992, 695792), (1984, 347896), (3968, 173948), (7936, 86974), (15872, 43487)]