78819172

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{10657}}^1$

素因数の和:10747

約数の個数: 18

約数和(自身を含む): 141229158

約数和(自身を除く): 62409986

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 10657, 21314, 42628, 458251, 916502, 1833004, 19704793, 39409586, 78819172]

約数ペア:

[(1, 78819172), (2, 39409586), (4, 19704793), (43, 1833004), (86, 916502), (172, 458251), (1849, 42628), (3698, 21314), (7396, 10657)]