989381605

素因数分解:

$5^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1\times {\mathrm{2549}}^1$

素因数の和:3224

約数の個数: 16

約数和(自身を含む): 1197990000

約数和(自身を除く): 208608395

約数列:

[1, 5, 149, 521, 745, 2549, 2605, 12745, 77629, 379801, 388145, 1328029, 1899005, 6640145, 197876321, 989381605]

約数ペア:

[(1, 989381605), (5, 197876321), (149, 6640145), (521, 1899005), (745, 1328029), (2549, 388145), (2605, 379801), (12745, 77629)]