31780826

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{206369}}^1$

素因数の和:206389

約数の個数: 16

約数和(自身を含む): 59434560

約数和(自身を除く): 27653734

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 206369, 412738, 1444583, 2270059, 2889166, 4540118, 15890413, 31780826]

約数ペア:

[(1, 31780826), (2, 15890413), (7, 4540118), (11, 2889166), (14, 2270059), (22, 1444583), (77, 412738), (154, 206369)]