128951005

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 164592000

約数和(自身を除く): 35640995

約数列:

[1, 5, 19, 95, 199, 359, 361, 995, 1795, 1805, 3781, 6821, 18905, 34105, 71441, 71839, 129599, 357205, 359195, 647995, 1357379, 6786895, 25790201, 128951005]

約数ペア:

[(1, 128951005), (5, 25790201), (19, 6786895), (95, 1357379), (199, 647995), (359, 359195), (361, 357205), (995, 129599), (1795, 71839), (1805, 71441), (3781, 34105), (6821, 18905)]