261876

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:303

約数の個数: 24

約数和(自身を含む): 619360

約数和(自身を除く): 357484

約数列:

[1, 2, 3, 4, 6, 12, 139, 157, 278, 314, 417, 471, 556, 628, 834, 942, 1668, 1884, 21823, 43646, 65469, 87292, 130938, 261876]

約数ペア:

[(1, 261876), (2, 130938), (3, 87292), (4, 65469), (6, 43646), (12, 21823), (139, 1884), (157, 1668), (278, 942), (314, 834), (417, 628), (471, 556)]