161963879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{123731}}^1$

素因数の和:123766

約数の個数: 16

約数和(自身を含む): 213808896

約数和(自身を除く): 51845017

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 123731, 866117, 1361041, 2103427, 9527287, 14723989, 23137697, 161963879]

約数ペア:

[(1, 161963879), (7, 23137697), (11, 14723989), (17, 9527287), (77, 2103427), (119, 1361041), (187, 866117), (1309, 123731)]