81020158

素因数分解:

$2^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:436

約数の個数: 24

約数和(自身を含む): 126427392

約数和(自身を除く): 45407234

約数列:

[1, 2, 37, 74, 127, 233, 254, 466, 1369, 2738, 4699, 8621, 9398, 17242, 29591, 59182, 173863, 318977, 347726, 637954, 1094867, 2189734, 40510079, 81020158]

約数ペア:

[(1, 81020158), (2, 40510079), (37, 2189734), (74, 1094867), (127, 637954), (233, 347726), (254, 318977), (466, 173863), (1369, 59182), (2738, 29591), (4699, 17242), (8621, 9398)]