639636

素因数分解:

$2^2\times 3^1\times {\mathrm{151}}^1\times {\mathrm{353}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 1506624

約数和(自身を除く): 866988

約数列:

[1, 2, 3, 4, 6, 12, 151, 302, 353, 453, 604, 706, 906, 1059, 1412, 1812, 2118, 4236, 53303, 106606, 159909, 213212, 319818, 639636]

約数ペア:

[(1, 639636), (2, 319818), (3, 213212), (4, 159909), (6, 106606), (12, 53303), (151, 4236), (302, 2118), (353, 1812), (453, 1412), (604, 1059), (706, 906)]