78816878

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{71263}}^1$

素因数の和:71351

約数の個数: 16

約数和(自身を含む): 136826880

約数和(自身を除く): 58010002

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 71263, 142526, 498841, 997682, 5629777, 11259554, 39408439, 78816878]

約数ペア:

[(1, 78816878), (2, 39408439), (7, 11259554), (14, 5629777), (79, 997682), (158, 498841), (553, 142526), (1106, 71263)]