66426568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{638717}}^1$

素因数の和:638736

約数の個数: 16

約数和(自身を含む): 134130780

約数和(自身を除く): 67704212

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 638717, 1277434, 2554868, 5109736, 8303321, 16606642, 33213284, 66426568]

約数ペア:

[(1, 66426568), (2, 33213284), (4, 16606642), (8, 8303321), (13, 5109736), (26, 2554868), (52, 1277434), (104, 638717)]