216668891

素因数分解:

${\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 224273280

約数和(自身を除く): 7604389

約数列:

[1, 73, 131, 139, 163, 9563, 10147, 11899, 18209, 21353, 22657, 1329257, 1558769, 1653961, 2968067, 216668891]

約数ペア:

[(1, 216668891), (73, 2968067), (131, 1653961), (139, 1558769), (163, 1329257), (9563, 22657), (10147, 21353), (11899, 18209)]