389552008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{40343}}^1$

素因数の和:40437

約数の個数: 32

約数和(自身を含む): 784287360

約数和(自身を除く): 394735352

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 4828, 9656, 40343, 80686, 161372, 322744, 685831, 1371662, 2743324, 2864353, 5486648, 5728706, 11457412, 22914824, 48694001, 97388002, 194776004, 389552008]

約数ペア:

[(1, 389552008), (2, 194776004), (4, 97388002), (8, 48694001), (17, 22914824), (34, 11457412), (68, 5728706), (71, 5486648), (136, 2864353), (142, 2743324), (284, 1371662), (568, 685831), (1207, 322744), (2414, 161372), (4828, 80686), (9656, 40343)]