64720336

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{7109}}^1$

素因数の和:7686

約数の個数: 20

約数和(自身を含む): 125633700

約数和(自身を除く): 60913364

約数列:

[1, 2, 4, 8, 16, 569, 1138, 2276, 4552, 7109, 9104, 14218, 28436, 56872, 113744, 4045021, 8090042, 16180084, 32360168, 64720336]

約数ペア:

[(1, 64720336), (2, 32360168), (4, 16180084), (8, 8090042), (16, 4045021), (569, 113744), (1138, 56872), (2276, 28436), (4552, 14218), (7109, 9104)]