81842642

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{20369}}^1$

素因数の和:20426

約数の個数: 24

約数和(自身を含む): 146297340

約数和(自身を除く): 64454698

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 20369, 40738, 142583, 285166, 835129, 998081, 1670258, 1996162, 5845903, 11691806, 40921321, 81842642]

約数ペア:

[(1, 81842642), (2, 40921321), (7, 11691806), (14, 5845903), (41, 1996162), (49, 1670258), (82, 998081), (98, 835129), (287, 285166), (574, 142583), (2009, 40738), (4018, 20369)]