12706421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7349}}^1$

素因数の和:7388

約数の個数: 16

約数和(自身を含む): 16464000

約数和(自身を除く): 3757579

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 7349, 51443, 95537, 139631, 668759, 977417, 1815203, 12706421]

約数ペア:

[(1, 12706421), (7, 1815203), (13, 977417), (19, 668759), (91, 139631), (133, 95537), (247, 51443), (1729, 7349)]