1786984420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6873017}}^1$

素因数の和:6873039

約数の個数: 24

約数和(自身を含む): 4041334584

約数和(自身を除く): 2254350164

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6873017, 13746034, 27492068, 34365085, 68730170, 89349221, 137460340, 178698442, 357396884, 446746105, 893492210, 1786984420]

約数ペア:

[(1, 1786984420), (2, 893492210), (4, 446746105), (5, 357396884), (10, 178698442), (13, 137460340), (20, 89349221), (26, 68730170), (52, 34365085), (65, 27492068), (130, 13746034), (260, 6873017)]