68859625

素因数分解:

$5^3\times {\mathrm{137}}^1\times {\mathrm{4021}}^1$

素因数の和:4173

約数の個数: 16

約数和(自身を含む): 86585616

約数和(自身を除く): 17725991

約数列:

[1, 5, 25, 125, 137, 685, 3425, 4021, 17125, 20105, 100525, 502625, 550877, 2754385, 13771925, 68859625]

約数ペア:

[(1, 68859625), (5, 13771925), (25, 2754385), (125, 550877), (137, 502625), (685, 100525), (3425, 20105), (4021, 17125)]