81026992

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{36433}}^1$

素因数の和:36580

約数の個数: 20

約数和(自身を含む): 158123560

約数和(自身を除く): 77096568

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 36433, 72866, 145732, 291464, 582928, 5064187, 10128374, 20256748, 40513496, 81026992]

約数ペア:

[(1, 81026992), (2, 40513496), (4, 20256748), (8, 10128374), (16, 5064187), (139, 582928), (278, 291464), (556, 145732), (1112, 72866), (2224, 36433)]