12991459

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:534

約数の個数: 16

約数和(自身を含む): 14868000

約数和(自身を除く): 1876541

約数列:

[1, 13, 19, 149, 247, 353, 1937, 2831, 4589, 6707, 36803, 52597, 87191, 683761, 999343, 12991459]

約数ペア:

[(1, 12991459), (13, 999343), (19, 683761), (149, 87191), (247, 52597), (353, 36803), (1937, 6707), (2831, 4589)]