2638218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 5847552

約数和(自身を除く): 3209334

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 213, 426, 563, 781, 1126, 1562, 1689, 2343, 3378, 4686, 6193, 12386, 18579, 37158, 39973, 79946, 119919, 239838, 439703, 879406, 1319109, 2638218]

約数ペア:

[(1, 2638218), (2, 1319109), (3, 879406), (6, 439703), (11, 239838), (22, 119919), (33, 79946), (66, 39973), (71, 37158), (142, 18579), (213, 12386), (426, 6193), (563, 4686), (781, 3378), (1126, 2343), (1562, 1689)]