78478491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1831}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 129676288

約数和(自身を除く): 51197797

約数列:

[1, 3, 7, 13, 21, 39, 91, 157, 273, 471, 1099, 1831, 2041, 3297, 5493, 6123, 12817, 14287, 23803, 38451, 42861, 71409, 166621, 287467, 499863, 862401, 2012269, 3737071, 6036807, 11211213, 26159497, 78478491]

約数ペア:

[(1, 78478491), (3, 26159497), (7, 11211213), (13, 6036807), (21, 3737071), (39, 2012269), (91, 862401), (157, 499863), (273, 287467), (471, 166621), (1099, 71409), (1831, 42861), (2041, 38451), (3297, 23803), (5493, 14287), (6123, 12817)]