258124321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2473}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 336939008

約数和(自身を除く): 78814687

約数列:

[1, 7, 13, 31, 37, 91, 217, 259, 403, 481, 1147, 2473, 2821, 3367, 8029, 14911, 17311, 32149, 76663, 91501, 104377, 225043, 536641, 640507, 996619, 1189513, 2836531, 6976333, 8326591, 19855717, 36874903, 258124321]

約数ペア:

[(1, 258124321), (7, 36874903), (13, 19855717), (31, 8326591), (37, 6976333), (91, 2836531), (217, 1189513), (259, 996619), (403, 640507), (481, 536641), (1147, 225043), (2473, 104377), (2821, 91501), (3367, 76663), (8029, 32149), (14911, 17311)]