664264782

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{519769}}^1$

素因数の和:519848

約数の個数: 24

約数和(自身を含む): 1459514160

約数和(自身を除く): 795249378

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 519769, 1039538, 1559307, 3118614, 4677921, 9355842, 36903599, 73807198, 110710797, 221421594, 332132391, 664264782]

約数ペア:

[(1, 664264782), (2, 332132391), (3, 221421594), (6, 110710797), (9, 73807198), (18, 36903599), (71, 9355842), (142, 4677921), (213, 3118614), (426, 1559307), (639, 1039538), (1278, 519769)]