12780404

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35111}}^1$

素因数の和:35135

約数の個数: 24

約数和(自身を含む): 27527808

約数和(自身を除く): 14747404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 35111, 70222, 140444, 245777, 456443, 491554, 912886, 983108, 1825772, 3195101, 6390202, 12780404]

約数ペア:

[(1, 12780404), (2, 6390202), (4, 3195101), (7, 1825772), (13, 983108), (14, 912886), (26, 491554), (28, 456443), (52, 245777), (91, 140444), (182, 70222), (364, 35111)]