28617953

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1423}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 37525248

約数和(自身を除く): 8907295

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 1183, 1423, 1547, 2873, 9961, 18499, 20111, 24191, 129493, 169337, 240487, 314483, 1683409, 2201381, 4088279, 28617953]

約数ペア:

[(1, 28617953), (7, 4088279), (13, 2201381), (17, 1683409), (91, 314483), (119, 240487), (169, 169337), (221, 129493), (1183, 24191), (1423, 20111), (1547, 18499), (2873, 9961)]