66503021

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 76860000

約数和(自身を除く): 10356979

約数列:

[1, 13, 19, 139, 149, 169, 247, 1807, 1937, 2641, 2831, 3211, 20711, 23491, 25181, 34333, 36803, 269243, 393509, 446329, 478439, 3500159, 5115617, 66503021]

約数ペア:

[(1, 66503021), (13, 5115617), (19, 3500159), (139, 478439), (149, 446329), (169, 393509), (247, 269243), (1807, 36803), (1937, 34333), (2641, 25181), (2831, 23491), (3211, 20711)]