641968418

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{121631}}^1$

素因数の和:121682

約数の個数: 32

約数和(自身を含む): 1226050560

約数和(自身を除く): 584082142

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 5278, 121631, 243262, 851417, 1581203, 1702834, 3162406, 3527299, 7054598, 11068421, 22136842, 24691093, 45854887, 49382186, 91709774, 320984209, 641968418]

約数ペア:

[(1, 641968418), (2, 320984209), (7, 91709774), (13, 49382186), (14, 45854887), (26, 24691093), (29, 22136842), (58, 11068421), (91, 7054598), (182, 3527299), (203, 3162406), (377, 1702834), (406, 1581203), (754, 851417), (2639, 243262), (5278, 121631)]