13678874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{647}}^1$

素因数の和:722

約数の個数: 24

約数和(自身を含む): 23164704

約数和(自身を除く): 9485830

約数列:

[1, 2, 11, 22, 31, 62, 341, 647, 682, 961, 1294, 1922, 7117, 10571, 14234, 20057, 21142, 40114, 220627, 441254, 621767, 1243534, 6839437, 13678874]

約数ペア:

[(1, 13678874), (2, 6839437), (11, 1243534), (22, 621767), (31, 441254), (62, 220627), (341, 40114), (647, 21142), (682, 20057), (961, 14234), (1294, 10571), (1922, 7117)]