2217991376

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{765881}}^1$

素因数の和:766070

約数の個数: 20

約数和(自身を含む): 4321106244

約数和(自身を除く): 2103114868

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 765881, 1531762, 3063524, 6127048, 12254096, 138624461, 277248922, 554497844, 1108995688, 2217991376]

約数ペア:

[(1, 2217991376), (2, 1108995688), (4, 554497844), (8, 277248922), (16, 138624461), (181, 12254096), (362, 6127048), (724, 3063524), (1448, 1531762), (2896, 765881)]