189901228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{15581}}^1$

素因数の和:15873

約数の個数: 24

約数和(自身を含む): 363870864

約数和(自身を除く): 173969636

約数列:

[1, 2, 4, 11, 22, 44, 277, 554, 1108, 3047, 6094, 12188, 15581, 31162, 62324, 171391, 342782, 685564, 4315937, 8631874, 17263748, 47475307, 94950614, 189901228]

約数ペア:

[(1, 189901228), (2, 94950614), (4, 47475307), (11, 17263748), (22, 8631874), (44, 4315937), (277, 685564), (554, 342782), (1108, 171391), (3047, 62324), (6094, 31162), (12188, 15581)]