256906942

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1\times {\mathrm{11717}}^1$

素因数の和:12315

約数の個数: 16

約数和(自身を含む): 406380240

約数和(自身を除く): 149473298

約数列:

[1, 2, 19, 38, 577, 1154, 10963, 11717, 21926, 23434, 222623, 445246, 6760709, 13521418, 128453471, 256906942]

約数ペア:

[(1, 256906942), (2, 128453471), (19, 13521418), (38, 6760709), (577, 445246), (1154, 222623), (10963, 23434), (11717, 21926)]