990497090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9004519}}^1$

素因数の和:9004537

約数の個数: 16

約数和(自身を含む): 1944976320

約数和(自身を除く): 954479230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 9004519, 18009038, 45022595, 90045190, 99049709, 198099418, 495248545, 990497090]

約数ペア:

[(1, 990497090), (2, 495248545), (5, 198099418), (10, 99049709), (11, 90045190), (22, 45022595), (55, 18009038), (110, 9004519)]