129369436

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{20719}}^1$

素因数の和:20953

約数の個数: 24

約数和(自身を含む): 259911680

約数和(自身を除く): 130542244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 20719, 41438, 82876, 145033, 290066, 580132, 4620337, 9240674, 18481348, 32342359, 64684718, 129369436]

約数ペア:

[(1, 129369436), (2, 64684718), (4, 32342359), (7, 18481348), (14, 9240674), (28, 4620337), (223, 580132), (446, 290066), (892, 145033), (1561, 82876), (3122, 41438), (6244, 20719)]