13197457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 18144000

約数和(自身を除く): 4946543

約数列:

[1, 7, 13, 17, 19, 91, 119, 133, 221, 247, 323, 449, 1547, 1729, 2261, 3143, 4199, 5837, 7633, 8531, 29393, 40859, 53431, 59717, 99229, 110903, 145027, 694603, 776321, 1015189, 1885351, 13197457]

約数ペア:

[(1, 13197457), (7, 1885351), (13, 1015189), (17, 776321), (19, 694603), (91, 145027), (119, 110903), (133, 99229), (221, 59717), (247, 53431), (323, 40859), (449, 29393), (1547, 8531), (1729, 7633), (2261, 5837), (3143, 4199)]