28130455

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 34596000

約数和(自身を除く): 6465545

約数列:

[1, 5, 61, 149, 305, 619, 745, 3095, 9089, 37759, 45445, 92231, 188795, 461155, 5626091, 28130455]

約数ペア:

[(1, 28130455), (5, 5626091), (61, 461155), (149, 188795), (305, 92231), (619, 45445), (745, 37759), (3095, 9089)]