217373278

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{401}}^1\times {\mathrm{2069}}^1$

素因数の和:2603

約数の個数: 16

約数和(自身を含む): 329527440

約数和(自身を除く): 112154162

約数列:

[1, 2, 131, 262, 401, 802, 2069, 4138, 52531, 105062, 271039, 542078, 829669, 1659338, 108686639, 217373278]

約数ペア:

[(1, 217373278), (2, 108686639), (131, 1659338), (262, 829669), (401, 542078), (802, 271039), (2069, 105062), (4138, 52531)]