203953393

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{10009}}^1$

素因数の和:10128

約数の個数: 16

約数和(自身を含む): 242161920

約数和(自身を除く): 38208527

約数列:

[1, 7, 41, 71, 287, 497, 2911, 10009, 20377, 70063, 410369, 710639, 2872583, 4974473, 29136199, 203953393]

約数ペア:

[(1, 203953393), (7, 29136199), (41, 4974473), (71, 2872583), (287, 710639), (497, 410369), (2911, 70063), (10009, 20377)]