64721574

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{43321}}^1$

素因数の和:43412

約数の個数: 24

約数和(自身を含む): 141922872

約数和(自身を除く): 77201298

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 43321, 86642, 129963, 259926, 389889, 779778, 3595643, 7191286, 10786929, 21573858, 32360787, 64721574]

約数ペア:

[(1, 64721574), (2, 32360787), (3, 21573858), (6, 10786929), (9, 7191286), (18, 3595643), (83, 779778), (166, 389889), (249, 259926), (498, 129963), (747, 86642), (1494, 43321)]