31428254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 48

約数和(自身を含む): 56920320

約数和(自身を除く): 25492066

約数列:

[1, 2, 11, 13, 22, 26, 79, 107, 143, 158, 169, 214, 286, 338, 869, 1027, 1177, 1391, 1738, 1859, 2054, 2354, 2782, 3718, 8453, 11297, 13351, 15301, 16906, 18083, 22594, 26702, 30602, 36166, 92983, 109889, 146861, 185966, 198913, 219778, 293722, 397826, 1208779, 1428557, 2417558, 2857114, 15714127, 31428254]

約数ペア:

[(1, 31428254), (2, 15714127), (11, 2857114), (13, 2417558), (22, 1428557), (26, 1208779), (79, 397826), (107, 293722), (143, 219778), (158, 198913), (169, 185966), (214, 146861), (286, 109889), (338, 92983), (869, 36166), (1027, 30602), (1177, 26702), (1391, 22594), (1738, 18083), (1859, 16906), (2054, 15301), (2354, 13351), (2782, 11297), (3718, 8453)]