28783790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{411197}}^1$

素因数の和:411211

約数の個数: 16

約数和(自身を含む): 59212512

約数和(自身を除く): 30428722

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 411197, 822394, 2055985, 2878379, 4111970, 5756758, 14391895, 28783790]

約数ペア:

[(1, 28783790), (2, 14391895), (5, 5756758), (7, 4111970), (10, 2878379), (14, 2055985), (35, 822394), (70, 411197)]