16978790

素因数分解:

$2^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1531}}^1$

素因数の和:2647

約数の個数: 16

約数和(自身を含む): 30609360

約数和(自身を除く): 13630570

約数列:

[1, 2, 5, 10, 1109, 1531, 2218, 3062, 5545, 7655, 11090, 15310, 1697879, 3395758, 8489395, 16978790]

約数ペア:

[(1, 16978790), (2, 8489395), (5, 3395758), (10, 1697879), (1109, 15310), (1531, 11090), (2218, 7655), (3062, 5545)]