1245307217

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{11971}}^1$

素因数の和:12189

約数の個数: 24

約数和(自身を含む): 1588636512

約数和(自身を除く): 343329295

約数列:

[1, 7, 11, 49, 77, 193, 539, 1351, 2123, 9457, 11971, 14861, 83797, 104027, 131681, 586579, 921767, 2310403, 6452369, 16172821, 25414433, 113209747, 177901031, 1245307217]

約数ペア:

[(1, 1245307217), (7, 177901031), (11, 113209747), (49, 25414433), (77, 16172821), (193, 6452369), (539, 2310403), (1351, 921767), (2123, 586579), (9457, 131681), (11971, 104027), (14861, 83797)]