289681244

素因数分解:

$2^2\times {\mathrm{443}}^1\times {\mathrm{163477}}^1$

素因数の和:163924

約数の個数: 12

約数和(自身を含む): 508089624

約数和(自身を除く): 218408380

約数列:

[1, 2, 4, 443, 886, 1772, 163477, 326954, 653908, 72420311, 144840622, 289681244]

約数ペア:

[(1, 289681244), (2, 144840622), (4, 72420311), (443, 653908), (886, 326954), (1772, 163477)]