261228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{1979}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 665280

約数和(自身を除く): 404052

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 1979, 3958, 5937, 7916, 11874, 21769, 23748, 43538, 65307, 87076, 130614, 261228]

約数ペア:

[(1, 261228), (2, 130614), (3, 87076), (4, 65307), (6, 43538), (11, 23748), (12, 21769), (22, 11874), (33, 7916), (44, 5937), (66, 3958), (132, 1979)]