1320065887

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{72559}}^1$

素因数の和:72702

約数の個数: 16

約数和(自身を含む): 1588193280

約数和(自身を除く): 268127393

約数列:

[1, 7, 23, 113, 161, 791, 2599, 18193, 72559, 507913, 1668857, 8199167, 11681999, 57394169, 188580841, 1320065887]

約数ペア:

[(1, 1320065887), (7, 188580841), (23, 57394169), (113, 11681999), (161, 8199167), (791, 1668857), (2599, 507913), (18193, 72559)]