12974975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 18108216

約数和(自身を除く): 5133241

約数列:

[1, 5, 13, 25, 37, 65, 83, 169, 185, 325, 415, 481, 845, 925, 1079, 2075, 2405, 3071, 4225, 5395, 6253, 12025, 14027, 15355, 26975, 31265, 39923, 70135, 76775, 156325, 199615, 350675, 518999, 998075, 2594995, 12974975]

約数ペア:

[(1, 12974975), (5, 2594995), (13, 998075), (25, 518999), (37, 350675), (65, 199615), (83, 156325), (169, 76775), (185, 70135), (325, 39923), (415, 31265), (481, 26975), (845, 15355), (925, 14027), (1079, 12025), (2075, 6253), (2405, 5395), (3071, 4225)]