78621425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{443}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 101303040

約数和(自身を除く): 22681615

約数列:

[1, 5, 25, 31, 155, 229, 443, 775, 1145, 2215, 5725, 7099, 11075, 13733, 35495, 68665, 101447, 177475, 343325, 507235, 2536175, 3144857, 15724285, 78621425]

約数ペア:

[(1, 78621425), (5, 15724285), (25, 3144857), (31, 2536175), (155, 507235), (229, 343325), (443, 177475), (775, 101447), (1145, 68665), (2215, 35495), (5725, 13733), (7099, 11075)]