155220455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{8263}}^1$

素因数の和:8315

約数の個数: 24

約数和(自身を含む): 213112032

約数和(自身を除く): 57891577

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 8263, 18785, 41315, 107419, 140471, 537095, 702355, 1826123, 2388007, 9130615, 11940035, 31044091, 155220455]

約数ペア:

[(1, 155220455), (5, 31044091), (13, 11940035), (17, 9130615), (65, 2388007), (85, 1826123), (221, 702355), (289, 537095), (1105, 140471), (1445, 107419), (3757, 41315), (8263, 18785)]