261404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 538608

約数和(自身を除く): 277204

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 457, 572, 914, 1828, 5027, 5941, 10054, 11882, 20108, 23764, 65351, 130702, 261404]

約数ペア:

[(1, 261404), (2, 130702), (4, 65351), (11, 23764), (13, 20108), (22, 11882), (26, 10054), (44, 5941), (52, 5027), (143, 1828), (286, 914), (457, 572)]