1981016737

素因数分解:

$7^3\times {\mathrm{157}}^1\times {\mathrm{36787}}^1$

素因数の和:36965

約数の個数: 16

約数和(自身を含む): 2325001600

約数和(自身を除く): 343984863

約数列:

[1, 7, 49, 157, 343, 1099, 7693, 36787, 53851, 257509, 1802563, 5775559, 12617941, 40428913, 283002391, 1981016737]

約数ペア:

[(1, 1981016737), (7, 283002391), (49, 40428913), (157, 12617941), (343, 5775559), (1099, 1802563), (7693, 257509), (36787, 53851)]