261455219

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{2591}}^1$

素因数の和:2770

約数の個数: 16

約数和(自身を含む): 283668480

約数和(自身を除く): 22213261

約数列:

[1, 19, 47, 113, 893, 2147, 2591, 5311, 49229, 100909, 121777, 292783, 2313763, 5562877, 13760801, 261455219]

約数ペア:

[(1, 261455219), (19, 13760801), (47, 5562877), (113, 2313763), (893, 292783), (2147, 121777), (2591, 100909), (5311, 49229)]