2079805

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 3131352

約数和(自身を除く): 1051547

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 653, 3185, 3265, 4571, 8489, 22855, 31997, 42445, 59423, 159985, 297115, 415961, 2079805]

約数ペア:

[(1, 2079805), (5, 415961), (7, 297115), (13, 159985), (35, 59423), (49, 42445), (65, 31997), (91, 22855), (245, 8489), (455, 4571), (637, 3265), (653, 3185)]