221206406

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1\times {\mathrm{1811}}^1$

素因数の和:2359

約数の個数: 16

約数和(自身を含む): 334966320

約数和(自身を除く): 113759914

約数列:

[1, 2, 157, 314, 389, 778, 1811, 3622, 61073, 122146, 284327, 568654, 704479, 1408958, 110603203, 221206406]

約数ペア:

[(1, 221206406), (2, 110603203), (157, 1408958), (314, 704479), (389, 568654), (778, 284327), (1811, 122146), (3622, 61073)]