161151431

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1\times {\mathrm{563}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 186760704

約数和(自身を除く): 25609273

約数列:

[1, 7, 103, 397, 563, 721, 2779, 3941, 40891, 57989, 223511, 286237, 405923, 1564577, 23021633, 161151431]

約数ペア:

[(1, 161151431), (7, 23021633), (103, 1564577), (397, 405923), (563, 286237), (721, 223511), (2779, 57989), (3941, 40891)]