2891581

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 3900096

約数和(自身を除く): 1008515

約数列:

[1, 7, 11, 17, 47, 77, 119, 187, 329, 517, 799, 1309, 2209, 3619, 5593, 8789, 15463, 24299, 37553, 61523, 170093, 262871, 413083, 2891581]

約数ペア:

[(1, 2891581), (7, 413083), (11, 262871), (17, 170093), (47, 61523), (77, 37553), (119, 24299), (187, 15463), (329, 8789), (517, 5593), (799, 3619), (1309, 2209)]