217811178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{930817}}^1$

素因数の和:930838

約数の個数: 24

約数和(自身を含む): 508226628

約数和(自身を除く): 290415450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 930817, 1861634, 2792451, 5584902, 8377353, 12100621, 16754706, 24201242, 36301863, 72603726, 108905589, 217811178]

約数ペア:

[(1, 217811178), (2, 108905589), (3, 72603726), (6, 36301863), (9, 24201242), (13, 16754706), (18, 12100621), (26, 8377353), (39, 5584902), (78, 2792451), (117, 1861634), (234, 930817)]