9966625

素因数分解:

$5^3\times {\mathrm{71}}^1\times {\mathrm{1123}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 12624768

約数和(自身を除く): 2658143

約数列:

[1, 5, 25, 71, 125, 355, 1123, 1775, 5615, 8875, 28075, 79733, 140375, 398665, 1993325, 9966625]

約数ペア:

[(1, 9966625), (5, 1993325), (25, 398665), (71, 140375), (125, 79733), (355, 28075), (1123, 8875), (1775, 5615)]