888644975

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{399391}}^1$

素因数の和:399490

約数の個数: 12

約数和(自身を含む): 1114303680

約数和(自身を除く): 225658705

約数列:

[1, 5, 25, 89, 445, 2225, 399391, 1996955, 9984775, 35545799, 177728995, 888644975]

約数ペア:

[(1, 888644975), (5, 177728995), (25, 35545799), (89, 9984775), (445, 1996955), (2225, 399391)]