81761656

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{48437}}^1$

素因数の和:48654

約数の個数: 16

約数和(自身を含む): 154032840

約数和(自身を除く): 72271184

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 48437, 96874, 193748, 387496, 10220207, 20440414, 40880828, 81761656]

約数ペア:

[(1, 81761656), (2, 40880828), (4, 20440414), (8, 10220207), (211, 387496), (422, 193748), (844, 96874), (1688, 48437)]