639090252

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{412849}}^1$

素因数の和:412902

約数の個数: 36

約数和(自身を含む): 1653051400

約数和(自身を除く): 1013961148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 774, 1548, 412849, 825698, 1238547, 1651396, 2477094, 3715641, 4954188, 7431282, 14862564, 17752507, 35505014, 53257521, 71010028, 106515042, 159772563, 213030084, 319545126, 639090252]

約数ペア:

[(1, 639090252), (2, 319545126), (3, 213030084), (4, 159772563), (6, 106515042), (9, 71010028), (12, 53257521), (18, 35505014), (36, 17752507), (43, 14862564), (86, 7431282), (129, 4954188), (172, 3715641), (258, 2477094), (387, 1651396), (516, 1238547), (774, 825698), (1548, 412849)]