28149988

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:939

約数の個数: 24

約数和(自身を含む): 50349600

約数和(自身を除く): 22199612

約数列:

[1, 2, 4, 89, 107, 178, 214, 356, 428, 739, 1478, 2956, 9523, 19046, 38092, 65771, 79073, 131542, 158146, 263084, 316292, 7037497, 14074994, 28149988]

約数ペア:

[(1, 28149988), (2, 14074994), (4, 7037497), (89, 316292), (107, 263084), (178, 158146), (214, 131542), (356, 79073), (428, 65771), (739, 38092), (1478, 19046), (2956, 9523)]