31405205

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 43563744

約数和(自身を除く): 12158539

約数列:

[1, 5, 13, 17, 65, 85, 97, 221, 293, 485, 1105, 1261, 1465, 1649, 3809, 4981, 6305, 8245, 19045, 21437, 24905, 28421, 64753, 107185, 142105, 323765, 369473, 483157, 1847365, 2415785, 6281041, 31405205]

約数ペア:

[(1, 31405205), (5, 6281041), (13, 2415785), (17, 1847365), (65, 483157), (85, 369473), (97, 323765), (221, 142105), (293, 107185), (485, 64753), (1105, 28421), (1261, 24905), (1465, 21437), (1649, 19045), (3809, 8245), (4981, 6305)]