208575913

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{1123}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 259994688

約数和(自身を除く): 51418775

約数列:

[1, 7, 13, 91, 157, 169, 1099, 1123, 1183, 2041, 7861, 14287, 14599, 26533, 102193, 176311, 185731, 189787, 1234177, 1328509, 2292043, 16044301, 29796559, 208575913]

約数ペア:

[(1, 208575913), (7, 29796559), (13, 16044301), (91, 2292043), (157, 1328509), (169, 1234177), (1099, 189787), (1123, 185731), (1183, 176311), (2041, 102193), (7861, 26533), (14287, 14599)]