81351730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{428167}}^1$

素因数の和:428193

約数の個数: 16

約数和(自身を含む): 154140480

約数和(自身を除く): 72788750

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 428167, 856334, 2140835, 4281670, 8135173, 16270346, 40675865, 81351730]

約数ペア:

[(1, 81351730), (2, 40675865), (5, 16270346), (10, 8135173), (19, 4281670), (38, 2140835), (95, 856334), (190, 428167)]