290427371

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 346797024

約数和(自身を除く): 56369653

約数列:

[1, 13, 17, 23, 221, 289, 299, 391, 3361, 3757, 5083, 6647, 43693, 57137, 77303, 86411, 742781, 971329, 1004939, 1314151, 12627277, 17083963, 22340567, 290427371]

約数ペア:

[(1, 290427371), (13, 22340567), (17, 17083963), (23, 12627277), (221, 1314151), (289, 1004939), (299, 971329), (391, 742781), (3361, 86411), (3757, 77303), (5083, 57137), (6647, 43693)]