31490953

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 36800568

約数和(自身を除く): 5309615

約数列:

[1, 13, 17, 97, 113, 169, 221, 1261, 1469, 1649, 1921, 2873, 10961, 16393, 19097, 21437, 24973, 142493, 186337, 278681, 324649, 1852409, 2422381, 31490953]

約数ペア:

[(1, 31490953), (13, 2422381), (17, 1852409), (97, 324649), (113, 278681), (169, 186337), (221, 142493), (1261, 24973), (1469, 21437), (1649, 19097), (1921, 16393), (2873, 10961)]