251612326

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{23071}}^1$

素因数の和:23140

約数の個数: 32

約数和(自身を含む): 465131520

約数和(自身を除く): 213519194

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 23071, 46142, 161497, 322994, 438349, 876698, 945911, 1891822, 3068443, 6136886, 6621377, 13242754, 17972309, 35944618, 125806163, 251612326]

約数ペア:

[(1, 251612326), (2, 125806163), (7, 35944618), (14, 17972309), (19, 13242754), (38, 6621377), (41, 6136886), (82, 3068443), (133, 1891822), (266, 945911), (287, 876698), (574, 438349), (779, 322994), (1558, 161497), (5453, 46142), (10906, 23071)]