649272016

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{372289}}^1$

素因数の和:372406

約数の個数: 20

約数和(自身を含む): 1269508900

約数和(自身を除く): 620236884

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 372289, 744578, 1489156, 2978312, 5956624, 40579501, 81159002, 162318004, 324636008, 649272016]

約数ペア:

[(1, 649272016), (2, 324636008), (4, 162318004), (8, 81159002), (16, 40579501), (109, 5956624), (218, 2978312), (436, 1489156), (872, 744578), (1744, 372289)]