71970925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 97493760

約数和(自身を除く): 25522835

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1775, 3119, 4615, 15595, 23075, 40547, 77975, 202735, 221449, 1013675, 1107245, 2878837, 5536225, 14394185, 71970925]

約数ペア:

[(1, 71970925), (5, 14394185), (13, 5536225), (25, 2878837), (65, 1107245), (71, 1013675), (325, 221449), (355, 202735), (923, 77975), (1775, 40547), (3119, 23075), (4615, 15595)]