2491221890

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1671961}}^1$

素因数の和:1672117

約数の個数: 16

約数和(自身を含む): 4514297400

約数和(自身を除く): 2023075510

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 1671961, 3343922, 8359805, 16719610, 249122189, 498244378, 1245610945, 2491221890]

約数ペア:

[(1, 2491221890), (2, 1245610945), (5, 498244378), (10, 249122189), (149, 16719610), (298, 8359805), (745, 3343922), (1490, 1671961)]