128657178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{549817}}^1$

素因数の和:549838

約数の個数: 24

約数和(自身を含む): 300200628

約数和(自身を除く): 171543450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 549817, 1099634, 1649451, 3298902, 4948353, 7147621, 9896706, 14295242, 21442863, 42885726, 64328589, 128657178]

約数ペア:

[(1, 128657178), (2, 64328589), (3, 42885726), (6, 21442863), (9, 14295242), (13, 9896706), (18, 7147621), (26, 4948353), (39, 3298902), (78, 1649451), (117, 1099634), (234, 549817)]