644087474

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1\times {\mathrm{9967}}^1$

素因数の和:10457

約数の個数: 16

約数和(自身を含む): 980851200

約数和(自身を除く): 336763726

約数列:

[1, 2, 79, 158, 409, 818, 9967, 19934, 32311, 64622, 787393, 1574786, 4076503, 8153006, 322043737, 644087474]

約数ペア:

[(1, 644087474), (2, 322043737), (79, 8153006), (158, 4076503), (409, 1574786), (818, 787393), (9967, 64622), (19934, 32311)]