331390241

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 431259264

約数和(自身を除く): 99869023

約数列:

[1, 7, 13, 37, 67, 91, 113, 169, 259, 469, 481, 791, 871, 1183, 1469, 2479, 3367, 4181, 6097, 6253, 7571, 10283, 11323, 17353, 19097, 29267, 32227, 43771, 52997, 54353, 79261, 98423, 133679, 225589, 280127, 380471, 418951, 688961, 706589, 1279499, 1960889, 2932657, 3641651, 4946123, 8956493, 25491557, 47341463, 331390241]

約数ペア:

[(1, 331390241), (7, 47341463), (13, 25491557), (37, 8956493), (67, 4946123), (91, 3641651), (113, 2932657), (169, 1960889), (259, 1279499), (469, 706589), (481, 688961), (791, 418951), (871, 380471), (1183, 280127), (1469, 225589), (2479, 133679), (3367, 98423), (4181, 79261), (6097, 54353), (6253, 52997), (7571, 43771), (10283, 32227), (11323, 29267), (17353, 19097)]