12289765

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:812

約数の個数: 16

約数和(自身を含む): 15396480

約数和(自身を除く): 3106715

約数列:

[1, 5, 29, 131, 145, 647, 655, 3235, 3799, 18763, 18995, 84757, 93815, 423785, 2457953, 12289765]

約数ペア:

[(1, 12289765), (5, 2457953), (29, 423785), (131, 93815), (145, 84757), (647, 18995), (655, 18763), (3235, 3799)]