681666050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1048717}}^1$

素因数の和:1048742

約数の個数: 24

約数和(自身を含む): 1365430836

約数和(自身を除く): 683764786

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1048717, 2097434, 5243585, 10487170, 13633321, 26217925, 27266642, 52435850, 68166605, 136333210, 340833025, 681666050]

約数ペア:

[(1, 681666050), (2, 340833025), (5, 136333210), (10, 68166605), (13, 52435850), (25, 27266642), (26, 26217925), (50, 13633321), (65, 10487170), (130, 5243585), (325, 2097434), (650, 1048717)]