257788237

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{3061}}^1$

素因数の和:3348

約数の個数: 16

約数和(自身を含む): 301594752

約数和(自身を除く): 43806515

約数列:

[1, 7, 53, 227, 371, 1589, 3061, 12031, 21427, 84217, 162233, 694847, 1135631, 4863929, 36826891, 257788237]

約数ペア:

[(1, 257788237), (7, 36826891), (53, 4863929), (227, 1135631), (371, 694847), (1589, 162233), (3061, 84217), (12031, 21427)]