639182012

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{174259}}^1$

素因数の和:174401

約数の個数: 24

約数和(自身を含む): 1288129920

約数和(自身を除く): 648947908

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 174259, 348518, 697036, 1219813, 2439626, 4879252, 22827929, 45655858, 91311716, 159795503, 319591006, 639182012]

約数ペア:

[(1, 639182012), (2, 319591006), (4, 159795503), (7, 91311716), (14, 45655858), (28, 22827929), (131, 4879252), (262, 2439626), (524, 1219813), (917, 697036), (1834, 348518), (3668, 174259)]