12790715

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 19649952

約数和(自身を除く): 6859237

約数列:

[1, 5, 7, 17, 35, 37, 49, 83, 85, 119, 185, 245, 259, 415, 581, 595, 629, 833, 1295, 1411, 1813, 2905, 3071, 3145, 4067, 4165, 4403, 7055, 9065, 9877, 15355, 20335, 21497, 22015, 30821, 49385, 52207, 69139, 107485, 150479, 154105, 261035, 345695, 365449, 752395, 1827245, 2558143, 12790715]

約数ペア:

[(1, 12790715), (5, 2558143), (7, 1827245), (17, 752395), (35, 365449), (37, 345695), (49, 261035), (83, 154105), (85, 150479), (119, 107485), (185, 69139), (245, 52207), (259, 49385), (415, 30821), (581, 22015), (595, 21497), (629, 20335), (833, 15355), (1295, 9877), (1411, 9065), (1813, 7055), (2905, 4403), (3071, 4165), (3145, 4067)]