13688521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 17147520

約数和(自身を除く): 3458999

約数列:

[1, 7, 11, 77, 389, 457, 2723, 3199, 4279, 5027, 29953, 35189, 177773, 1244411, 1955503, 13688521]

約数ペア:

[(1, 13688521), (7, 1955503), (11, 1244411), (77, 177773), (389, 35189), (457, 29953), (2723, 5027), (3199, 4279)]