197016625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3911}}^1$

素因数の和:3970

約数の個数: 32

約数和(自身を含む): 273401856

約数和(自身を除く): 76385231

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1625, 2015, 3875, 3911, 10075, 19555, 50375, 50843, 97775, 121241, 254215, 488875, 606205, 1271075, 1576133, 3031025, 6355375, 7880665, 15155125, 39403325, 197016625]

約数ペア:

[(1, 197016625), (5, 39403325), (13, 15155125), (25, 7880665), (31, 6355375), (65, 3031025), (125, 1576133), (155, 1271075), (325, 606205), (403, 488875), (775, 254215), (1625, 121241), (2015, 97775), (3875, 50843), (3911, 50375), (10075, 19555)]