213564455

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{14867}}^1$

素因数の和:14915

約数の個数: 24

約数和(自身を含む): 293851152

約数和(自身を除く): 80286697

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2873, 14365, 14867, 74335, 193271, 252739, 966355, 1263695, 2512523, 3285607, 12562615, 16428035, 42712891, 213564455]

約数ペア:

[(1, 213564455), (5, 42712891), (13, 16428035), (17, 12562615), (65, 3285607), (85, 2512523), (169, 1263695), (221, 966355), (845, 252739), (1105, 193271), (2873, 74335), (14365, 14867)]