66686425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6619}}^1$

素因数の和:6673

約数の個数: 24

約数和(自身を含む): 91938560

約数和(自身を除く): 25252135

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 6619, 10075, 33095, 86047, 165475, 205189, 430235, 1025945, 2151175, 2667457, 5129725, 13337285, 66686425]

約数ペア:

[(1, 66686425), (5, 13337285), (13, 5129725), (25, 2667457), (31, 2151175), (65, 1025945), (155, 430235), (325, 205189), (403, 165475), (775, 86047), (2015, 33095), (6619, 10075)]