68729648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330431}}^1$

素因数の和:330452

約数の個数: 20

約数和(自身を含む): 143407488

約数和(自身を除く): 74677840

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330431, 660862, 1321724, 2643448, 4295603, 5286896, 8591206, 17182412, 34364824, 68729648]

約数ペア:

[(1, 68729648), (2, 34364824), (4, 17182412), (8, 8591206), (13, 5286896), (16, 4295603), (26, 2643448), (52, 1321724), (104, 660862), (208, 330431)]