215548985

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{227}}^1\times {\mathrm{359}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 272341440

約数和(自身を除く): 56792455

約数列:

[1, 5, 23, 115, 227, 359, 529, 1135, 1795, 2645, 5221, 8257, 26105, 41285, 81493, 120083, 189911, 407465, 600415, 949555, 1874339, 9371695, 43109797, 215548985]

約数ペア:

[(1, 215548985), (5, 43109797), (23, 9371695), (115, 1874339), (227, 949555), (359, 600415), (529, 407465), (1135, 189911), (1795, 120083), (2645, 81493), (5221, 41285), (8257, 26105)]