279897265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2441}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 379779840

約数和(自身を除く): 99882575

約数列:

[1, 5, 17, 19, 71, 85, 95, 323, 355, 1207, 1349, 1615, 2441, 6035, 6745, 12205, 22933, 41497, 46379, 114665, 173311, 207485, 231895, 788443, 866555, 2946287, 3292909, 3942215, 14731435, 16464545, 55979453, 279897265]

約数ペア:

[(1, 279897265), (5, 55979453), (17, 16464545), (19, 14731435), (71, 3942215), (85, 3292909), (95, 2946287), (323, 866555), (355, 788443), (1207, 231895), (1349, 207485), (1615, 173311), (2441, 114665), (6035, 46379), (6745, 41497), (12205, 22933)]