2560278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 5981184

約数和(自身を除く): 3420906

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1297, 1974, 2594, 3891, 7782, 9079, 18158, 27237, 54474, 60959, 121918, 182877, 365754, 426713, 853426, 1280139, 2560278]

約数ペア:

[(1, 2560278), (2, 1280139), (3, 853426), (6, 426713), (7, 365754), (14, 182877), (21, 121918), (42, 60959), (47, 54474), (94, 27237), (141, 18158), (282, 9079), (329, 7782), (658, 3891), (987, 2594), (1297, 1974)]