261940716

素因数分解:

$2^2\times 3^4\times {\mathrm{808459}}^1$

素因数の和:808475

約数の個数: 30

約数和(自身を含む): 684765620

約数和(自身を除く): 422824904

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 808459, 1616918, 2425377, 3233836, 4850754, 7276131, 9701508, 14552262, 21828393, 29104524, 43656786, 65485179, 87313572, 130970358, 261940716]

約数ペア:

[(1, 261940716), (2, 130970358), (3, 87313572), (4, 65485179), (6, 43656786), (9, 29104524), (12, 21828393), (18, 14552262), (27, 9701508), (36, 7276131), (54, 4850754), (81, 3233836), (108, 2425377), (162, 1616918), (324, 808459)]