128798846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{787}}^1$

素因数の和:1016

約数の個数: 32

約数和(自身を含む): 217185408

約数和(自身を除く): 88386562

約数列:

[1, 2, 11, 22, 43, 86, 173, 346, 473, 787, 946, 1574, 1903, 3806, 7439, 8657, 14878, 17314, 33841, 67682, 81829, 136151, 163658, 272302, 372251, 744502, 1497661, 2995322, 5854493, 11708986, 64399423, 128798846]

約数ペア:

[(1, 128798846), (2, 64399423), (11, 11708986), (22, 5854493), (43, 2995322), (86, 1497661), (173, 744502), (346, 372251), (473, 272302), (787, 163658), (946, 136151), (1574, 81829), (1903, 67682), (3806, 33841), (7439, 17314), (8657, 14878)]