216231620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{982871}}^1$

素因数の和:982891

約数の個数: 24

約数和(自身を含む): 495367488

約数和(自身を除く): 279135868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 982871, 1965742, 3931484, 4914355, 9828710, 10811581, 19657420, 21623162, 43246324, 54057905, 108115810, 216231620]

約数ペア:

[(1, 216231620), (2, 108115810), (4, 54057905), (5, 43246324), (10, 21623162), (11, 19657420), (20, 10811581), (22, 9828710), (44, 4914355), (55, 3931484), (110, 1965742), (220, 982871)]