56920507

素因数分解:

$7^4\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:336

約数の個数: 20

約数和(自身を含む): 67268816

約数和(自身を除く): 10348309

約数列:

[1, 7, 49, 151, 157, 343, 1057, 1099, 2401, 7399, 7693, 23707, 51793, 53851, 165949, 362551, 376957, 1161643, 8131501, 56920507]

約数ペア:

[(1, 56920507), (7, 8131501), (49, 1161643), (151, 376957), (157, 362551), (343, 165949), (1057, 53851), (1099, 51793), (2401, 23707), (7399, 7693)]