1651568

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{947}}^1$

素因数の和:1064

約数の個数: 20

約数和(自身を含む): 3232680

約数和(自身を除く): 1581112

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 947, 1744, 1894, 3788, 7576, 15152, 103223, 206446, 412892, 825784, 1651568]

約数ペア:

[(1, 1651568), (2, 825784), (4, 412892), (8, 206446), (16, 103223), (109, 15152), (218, 7576), (436, 3788), (872, 1894), (947, 1744)]