2151442

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:321

約数の個数: 16

約数和(自身を含む): 3326400

約数和(自身を除く): 1174958

約数列:

[1, 2, 71, 109, 139, 142, 218, 278, 7739, 9869, 15151, 15478, 19738, 30302, 1075721, 2151442]

約数ペア:

[(1, 2151442), (2, 1075721), (71, 30302), (109, 19738), (139, 15478), (142, 15151), (218, 9869), (278, 7739)]