128429808

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205817}}^1$

素因数の和:205841

約数の個数: 40

約数和(自身を含む): 357300048

約数和(自身を除く): 228870240

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205817, 411634, 617451, 823268, 1234902, 1646536, 2469804, 2675621, 3293072, 4939608, 5351242, 8026863, 9879216, 10702484, 16053726, 21404968, 32107452, 42809936, 64214904, 128429808]

約数ペア:

[(1, 128429808), (2, 64214904), (3, 42809936), (4, 32107452), (6, 21404968), (8, 16053726), (12, 10702484), (13, 9879216), (16, 8026863), (24, 5351242), (26, 4939608), (39, 3293072), (48, 2675621), (52, 2469804), (78, 1646536), (104, 1234902), (156, 823268), (208, 617451), (312, 411634), (624, 205817)]