290135216

素因数分解:

$2^4\times 7^1\times {\mathrm{2590493}}^1$

素因数の和:2590508

約数の個数: 20

約数和(自身を含む): 642442512

約数和(自身を除く): 352307296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2590493, 5180986, 10361972, 18133451, 20723944, 36266902, 41447888, 72533804, 145067608, 290135216]

約数ペア:

[(1, 290135216), (2, 145067608), (4, 72533804), (7, 41447888), (8, 36266902), (14, 20723944), (16, 18133451), (28, 10361972), (56, 5180986), (112, 2590493)]