128886121

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6977}}^1$

素因数の和:7033

約数の個数: 24

約数和(自身を含む): 167053320

約数和(自身を除く): 38167199

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1421, 2639, 6977, 18473, 48839, 90701, 202333, 341873, 634907, 1416331, 2630329, 4444349, 9914317, 18412303, 128886121]

約数ペア:

[(1, 128886121), (7, 18412303), (13, 9914317), (29, 4444349), (49, 2630329), (91, 1416331), (203, 634907), (377, 341873), (637, 202333), (1421, 90701), (2639, 48839), (6977, 18473)]