31289765

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 11046235

約数列:

[1, 5, 13, 41, 59, 65, 199, 205, 295, 533, 767, 995, 2419, 2587, 2665, 3835, 8159, 11741, 12095, 12935, 31447, 40795, 58705, 106067, 152633, 157235, 481381, 530335, 763165, 2406905, 6257953, 31289765]

約数ペア:

[(1, 31289765), (5, 6257953), (13, 2406905), (41, 763165), (59, 530335), (65, 481381), (199, 157235), (205, 152633), (295, 106067), (533, 58705), (767, 40795), (995, 31447), (2419, 12935), (2587, 12095), (2665, 11741), (3835, 8159)]