13981325

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 18058368

約数和(自身を除く): 4077043

約数列:

[1, 5, 25, 47, 73, 163, 235, 365, 815, 1175, 1825, 3431, 4075, 7661, 11899, 17155, 38305, 59495, 85775, 191525, 297475, 559253, 2796265, 13981325]

約数ペア:

[(1, 13981325), (5, 2796265), (25, 559253), (47, 297475), (73, 191525), (163, 85775), (235, 59495), (365, 38305), (815, 17155), (1175, 11899), (1825, 7661), (3431, 4075)]