2009000945

素因数分解:

$5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{213383}}^1$

素因数の和:213664

約数の個数: 16

約数和(自身を含む): 2765456640

約数和(自身を除く): 756455695

約数列:

[1, 5, 7, 35, 269, 1345, 1883, 9415, 213383, 1066915, 1493681, 7468405, 57400027, 287000135, 401800189, 2009000945]

約数ペア:

[(1, 2009000945), (5, 401800189), (7, 287000135), (35, 57400027), (269, 7468405), (1345, 1493681), (1883, 1066915), (9415, 213383)]