12784689664

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{805487}}^1$

素因数の和:805536

約数の個数: 40

約数和(自身を含む): 26368455168

約数和(自身を除く): 13583765504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 805487, 1610974, 3221948, 6443896, 12887792, 24970097, 25775584, 49940194, 51551168, 99880388, 103102336, 199760776, 206204672, 399521552, 412409344, 799043104, 1598086208, 3196172416, 6392344832, 12784689664]

約数ペア:

[(1, 12784689664), (2, 6392344832), (4, 3196172416), (8, 1598086208), (16, 799043104), (31, 412409344), (32, 399521552), (62, 206204672), (64, 199760776), (124, 103102336), (128, 99880388), (248, 51551168), (256, 49940194), (496, 25775584), (512, 24970097), (992, 12887792), (1984, 6443896), (3968, 3221948), (7936, 1610974), (15872, 805487)]