220357278

素因数分解:

$2^1\times 3^2\times {\mathrm{2203}}^1\times {\mathrm{5557}}^1$

素因数の和:7768

約数の個数: 24

約数和(自身を含む): 477743448

約数和(自身を除く): 257386170

約数列:

[1, 2, 3, 6, 9, 18, 2203, 4406, 5557, 6609, 11114, 13218, 16671, 19827, 33342, 39654, 50013, 100026, 12242071, 24484142, 36726213, 73452426, 110178639, 220357278]

約数ペア:

[(1, 220357278), (2, 110178639), (3, 73452426), (6, 36726213), (9, 24484142), (18, 12242071), (2203, 100026), (4406, 50013), (5557, 39654), (6609, 33342), (11114, 19827), (13218, 16671)]