640147802

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{972869}}^1$

素因数の和:972925

約数の個数: 16

約数和(自身を含む): 1120746240

約数和(自身を除く): 480598438

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 972869, 1945738, 6810083, 13620166, 45724843, 91449686, 320073901, 640147802]

約数ペア:

[(1, 640147802), (2, 320073901), (7, 91449686), (14, 45724843), (47, 13620166), (94, 6810083), (329, 1945738), (658, 972869)]