7860775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 11244072

約数和(自身を除く): 3383297

約数列:

[1, 5, 13, 19, 25, 65, 67, 95, 247, 325, 335, 361, 475, 871, 1235, 1273, 1675, 1805, 4355, 4693, 6175, 6365, 9025, 16549, 21775, 23465, 24187, 31825, 82745, 117325, 120935, 314431, 413725, 604675, 1572155, 7860775]

約数ペア:

[(1, 7860775), (5, 1572155), (13, 604675), (19, 413725), (25, 314431), (65, 120935), (67, 117325), (95, 82745), (247, 31825), (325, 24187), (335, 23465), (361, 21775), (475, 16549), (871, 9025), (1235, 6365), (1273, 6175), (1675, 4693), (1805, 4355)]