261861756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1678601}}^1$

素因数の和:1678621

約数の個数: 24

約数和(自身を含む): 658011984

約数和(自身を除く): 396150228

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1678601, 3357202, 5035803, 6714404, 10071606, 20143212, 21821813, 43643626, 65465439, 87287252, 130930878, 261861756]

約数ペア:

[(1, 261861756), (2, 130930878), (3, 87287252), (4, 65465439), (6, 43643626), (12, 21821813), (13, 20143212), (26, 10071606), (39, 6714404), (52, 5035803), (78, 3357202), (156, 1678601)]