13140575

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:672

約数の個数: 36

約数和(自身を含む): 20101392

約数和(自身を除く): 6960817

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 425, 595, 631, 833, 1225, 2975, 3155, 4165, 4417, 10727, 15775, 20825, 22085, 30919, 53635, 75089, 110425, 154595, 268175, 375445, 525623, 772975, 1877225, 2628115, 13140575]

約数ペア:

[(1, 13140575), (5, 2628115), (7, 1877225), (17, 772975), (25, 525623), (35, 375445), (49, 268175), (85, 154595), (119, 110425), (175, 75089), (245, 53635), (425, 30919), (595, 22085), (631, 20825), (833, 15775), (1225, 10727), (2975, 4417), (3155, 4165)]