168521759

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:359

約数の個数: 32

約数和(自身を含む): 207498240

約数和(自身を除く): 38976481

約数列:

[1, 7, 23, 59, 113, 157, 161, 413, 791, 1099, 1357, 2599, 3611, 6667, 9263, 9499, 17741, 18193, 25277, 46669, 64841, 124187, 153341, 213049, 408043, 1046719, 1073387, 1491343, 2856301, 7327033, 24074537, 168521759]

約数ペア:

[(1, 168521759), (7, 24074537), (23, 7327033), (59, 2856301), (113, 1491343), (157, 1073387), (161, 1046719), (413, 408043), (791, 213049), (1099, 153341), (1357, 124187), (2599, 64841), (3611, 46669), (6667, 25277), (9263, 18193), (9499, 17741)]