420555876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2695871}}^1$

素因数の和:2695891

約数の個数: 24

約数和(自身を含む): 1056781824

約数和(自身を除く): 636225948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 2695871, 5391742, 8087613, 10783484, 16175226, 32350452, 35046323, 70092646, 105138969, 140185292, 210277938, 420555876]

約数ペア:

[(1, 420555876), (2, 210277938), (3, 140185292), (4, 105138969), (6, 70092646), (12, 35046323), (13, 32350452), (26, 16175226), (39, 10783484), (52, 8087613), (78, 5391742), (156, 2695871)]