139590143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 179131392

約数和(自身を除く): 39541249

約数列:

[1, 7, 11, 61, 77, 113, 263, 427, 671, 791, 1243, 1841, 2893, 4697, 6893, 8701, 16043, 20251, 29719, 48251, 75823, 112301, 176473, 208033, 326909, 530761, 1235311, 1812859, 2288363, 12690013, 19941449, 139590143]

約数ペア:

[(1, 139590143), (7, 19941449), (11, 12690013), (61, 2288363), (77, 1812859), (113, 1235311), (263, 530761), (427, 326909), (671, 208033), (791, 176473), (1243, 112301), (1841, 75823), (2893, 48251), (4697, 29719), (6893, 20251), (8701, 16043)]