221156684

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{343411}}^1$

素因数の和:343445

約数の個数: 24

約数和(自身を含む): 461545728

約数和(自身を除く): 240389044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 343411, 686822, 1373644, 2403877, 4807754, 7898453, 9615508, 15796906, 31593812, 55289171, 110578342, 221156684]

約数ペア:

[(1, 221156684), (2, 110578342), (4, 55289171), (7, 31593812), (14, 15796906), (23, 9615508), (28, 7898453), (46, 4807754), (92, 2403877), (161, 1373644), (322, 686822), (644, 343411)]