25791815

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 10786489

約数列:

[1, 5, 7, 35, 71, 97, 107, 355, 485, 497, 535, 679, 749, 2485, 3395, 3745, 6887, 7597, 10379, 34435, 37985, 48209, 51895, 53179, 72653, 241045, 265895, 363265, 736909, 3684545, 5158363, 25791815]

約数ペア:

[(1, 25791815), (5, 5158363), (7, 3684545), (35, 736909), (71, 363265), (97, 265895), (107, 241045), (355, 72653), (485, 53179), (497, 51895), (535, 48209), (679, 37985), (749, 34435), (2485, 10379), (3395, 7597), (3745, 6887)]