78407842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21157}}^1$

素因数の和:21285

約数の個数: 16

約数和(自身を含む): 125678520

約数和(自身を除く): 47270678

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3706, 21157, 42314, 359669, 719338, 2306113, 4612226, 39203921, 78407842]

約数ペア:

[(1, 78407842), (2, 39203921), (17, 4612226), (34, 2306113), (109, 719338), (218, 359669), (1853, 42314), (3706, 21157)]