72714257

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 93636864

約数和(自身を除く): 20922607

約数列:

[1, 7, 11, 61, 77, 113, 137, 427, 671, 791, 959, 1243, 1507, 4697, 6893, 8357, 8701, 10549, 15481, 48251, 58499, 75823, 91927, 108367, 170291, 530761, 643489, 944341, 1192037, 6610387, 10387751, 72714257]

約数ペア:

[(1, 72714257), (7, 10387751), (11, 6610387), (61, 1192037), (77, 944341), (113, 643489), (137, 530761), (427, 170291), (671, 108367), (791, 91927), (959, 75823), (1243, 58499), (1507, 48251), (4697, 15481), (6893, 10549), (8357, 8701)]