221640305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113371}}^1$

素因数の和:113416

約数の個数: 16

約数和(自身を含む): 293860224

約数和(自身を除く): 72219919

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 113371, 566855, 1927307, 2607533, 9636535, 13037665, 44328061, 221640305]

約数ペア:

[(1, 221640305), (5, 44328061), (17, 13037665), (23, 9636535), (85, 2607533), (115, 1927307), (391, 566855), (1955, 113371)]