49208575

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:668

約数の個数: 36

約数和(自身を含む): 69664440

約数和(自身を除く): 20455865

約数列:

[1, 5, 13, 19, 25, 65, 95, 169, 247, 325, 475, 613, 845, 1235, 3065, 3211, 4225, 6175, 7969, 11647, 15325, 16055, 39845, 58235, 80275, 103597, 151411, 199225, 291175, 517985, 757055, 1968343, 2589925, 3785275, 9841715, 49208575]

約数ペア:

[(1, 49208575), (5, 9841715), (13, 3785275), (19, 2589925), (25, 1968343), (65, 757055), (95, 517985), (169, 291175), (247, 199225), (325, 151411), (475, 103597), (613, 80275), (845, 58235), (1235, 39845), (3065, 16055), (3211, 15325), (4225, 11647), (6175, 7969)]