81238404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{520759}}^1$

素因数の和:520779

約数の個数: 24

約数和(自身を含む): 204137920

約数和(自身を除く): 122899516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 520759, 1041518, 1562277, 2083036, 3124554, 6249108, 6769867, 13539734, 20309601, 27079468, 40619202, 81238404]

約数ペア:

[(1, 81238404), (2, 40619202), (3, 27079468), (4, 20309601), (6, 13539734), (12, 6769867), (13, 6249108), (26, 3124554), (39, 2083036), (52, 1562277), (78, 1041518), (156, 520759)]