78178438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{19913}}^1$

素因数の和:20079

約数の個数: 16

約数和(自身を含む): 127130976

約数和(自身を除く): 48952538

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 19913, 39826, 258869, 517738, 3006863, 6013726, 39089219, 78178438]

約数ペア:

[(1, 78178438), (2, 39089219), (13, 6013726), (26, 3006863), (151, 517738), (302, 258869), (1963, 39826), (3926, 19913)]