257156207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{3271}}^1$

素因数の和:4310

約数の個数: 16

約数和(自身を含む): 321022464

約数和(自身を除く): 63866257

約数列:

[1, 7, 11, 77, 1021, 3271, 7147, 11231, 22897, 35981, 78617, 251867, 3339691, 23377837, 36736601, 257156207]

約数ペア:

[(1, 257156207), (7, 36736601), (11, 23377837), (77, 3339691), (1021, 251867), (3271, 78617), (7147, 35981), (11231, 22897)]