249683868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{990809}}^1$

素因数の和:990826

約数の個数: 36

約数和(自身を含む): 721309680

約数和(自身を除く): 471625812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 990809, 1981618, 2972427, 3963236, 5944854, 6935663, 8917281, 11889708, 13871326, 17834562, 20806989, 27742652, 35669124, 41613978, 62420967, 83227956, 124841934, 249683868]

約数ペア:

[(1, 249683868), (2, 124841934), (3, 83227956), (4, 62420967), (6, 41613978), (7, 35669124), (9, 27742652), (12, 20806989), (14, 17834562), (18, 13871326), (21, 11889708), (28, 8917281), (36, 6935663), (42, 5944854), (63, 3963236), (84, 2972427), (126, 1981618), (252, 990809)]