1997774345

素因数分解:

$5^1\times 7^3\times {\mathrm{109}}^1\times {\mathrm{10687}}^1$

素因数の和:10822

約数の個数: 32

約数和(自身を含む): 2821632000

約数和(自身を除く): 823857655

約数列:

[1, 5, 7, 35, 49, 109, 245, 343, 545, 763, 1715, 3815, 5341, 10687, 26705, 37387, 53435, 74809, 186935, 374045, 523663, 1164883, 2618315, 3665641, 5824415, 8154181, 18328205, 40770905, 57079267, 285396335, 399554869, 1997774345]

約数ペア:

[(1, 1997774345), (5, 399554869), (7, 285396335), (35, 57079267), (49, 40770905), (109, 18328205), (245, 8154181), (343, 5824415), (545, 3665641), (763, 2618315), (1715, 1164883), (3815, 523663), (5341, 374045), (10687, 186935), (26705, 74809), (37387, 53435)]