640395022

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{16657}}^1$

素因数の和:17115

約数の個数: 16

約数和(自身を含む): 983488320

約数和(自身を除く): 343093298

約数列:

[1, 2, 47, 94, 409, 818, 16657, 19223, 33314, 38446, 782879, 1565758, 6812713, 13625426, 320197511, 640395022]

約数ペア:

[(1, 640395022), (2, 320197511), (47, 13625426), (94, 6812713), (409, 1565758), (818, 782879), (16657, 38446), (19223, 33314)]