256577399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{1213}}^1$

素因数の和:1586

約数の個数: 16

約数和(自身を含む): 282677472

約数和(自身を除く): 26100073

約数列:

[1, 13, 53, 307, 689, 1213, 3991, 15769, 16271, 64289, 211523, 372391, 835757, 4841083, 19736723, 256577399]

約数ペア:

[(1, 256577399), (13, 19736723), (53, 4841083), (307, 835757), (689, 372391), (1213, 211523), (3991, 64289), (15769, 16271)]