51211472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{246209}}^1$

素因数の和:246230

約数の個数: 20

約数和(自身を含む): 106855140

約数和(自身を除く): 55643668

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 246209, 492418, 984836, 1969672, 3200717, 3939344, 6401434, 12802868, 25605736, 51211472]

約数ペア:

[(1, 51211472), (2, 25605736), (4, 12802868), (8, 6401434), (13, 3939344), (16, 3200717), (26, 1969672), (52, 984836), (104, 492418), (208, 246209)]