27880090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{398287}}^1$

素因数の和:398301

約数の個数: 16

約数和(自身を含む): 57353472

約数和(自身を除く): 29473382

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 398287, 796574, 1991435, 2788009, 3982870, 5576018, 13940045, 27880090]

約数ペア:

[(1, 27880090), (2, 13940045), (5, 5576018), (7, 3982870), (10, 2788009), (14, 1991435), (35, 796574), (70, 398287)]