28421208

素因数分解:

$2^3\times 3^2\times {\mathrm{394739}}^1$

素因数の和:394751

約数の個数: 24

約数和(自身を含む): 76974300

約数和(自身を除く): 48553092

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 394739, 789478, 1184217, 1578956, 2368434, 3157912, 3552651, 4736868, 7105302, 9473736, 14210604, 28421208]

約数ペア:

[(1, 28421208), (2, 14210604), (3, 9473736), (4, 7105302), (6, 4736868), (8, 3552651), (9, 3157912), (12, 2368434), (18, 1578956), (24, 1184217), (36, 789478), (72, 394739)]