68117654.000000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{402869}}^1$

素因数の和:402891

約数の個数: 24

約数和(自身を含む): 236887560

約数和(自身を除く): 132141620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 402869, 805738, 1611476, 2014345, 4028690, 5237297, 8057380, 10474594, 20949188, 26186485, 52372970, 104745940]

約数ペア:

[(1, 104745940), (2, 52372970), (4, 26186485), (5, 20949188), (10, 10474594), (13, 8057380), (20, 5237297), (26, 4028690), (52, 2014345), (65, 1611476), (130, 805738), (260, 402869)]