2787631

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{883}}^1$

素因数の和:942

約数の個数: 16

約数和(自身を含む): 3564288

約数和(自身を除く): 776657

約数列:

[1, 7, 11, 41, 77, 287, 451, 883, 3157, 6181, 9713, 36203, 67991, 253421, 398233, 2787631]

約数ペア:

[(1, 2787631), (7, 398233), (11, 253421), (41, 67991), (77, 36203), (287, 9713), (451, 6181), (883, 3157)]