87122128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{126631}}^1$

素因数の和:126682

約数の個数: 20

約数和(自身を含む): 172726048

約数和(自身を除く): 85603920

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 126631, 253262, 506524, 1013048, 2026096, 5445133, 10890266, 21780532, 43561064, 87122128]

約数ペア:

[(1, 87122128), (2, 43561064), (4, 21780532), (8, 10890266), (16, 5445133), (43, 2026096), (86, 1013048), (172, 506524), (344, 253262), (688, 126631)]