129969008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{624851}}^1$

素因数の和:624872

約数の個数: 20

約数和(自身を含む): 271185768

約数和(自身を除く): 141216760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 624851, 1249702, 2499404, 4998808, 8123063, 9997616, 16246126, 32492252, 64984504, 129969008]

約数ペア:

[(1, 129969008), (2, 64984504), (4, 32492252), (8, 16246126), (13, 9997616), (16, 8123063), (26, 4998808), (52, 2499404), (104, 1249702), (208, 624851)]