3931625

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:529

約数の個数: 16

約数和(自身を含む): 4987008

約数和(自身を除く): 1055383

約数列:

[1, 5, 25, 71, 125, 355, 443, 1775, 2215, 8875, 11075, 31453, 55375, 157265, 786325, 3931625]

約数ペア:

[(1, 3931625), (5, 786325), (25, 157265), (71, 55375), (125, 31453), (355, 11075), (443, 8875), (1775, 2215)]