66549808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10321}}^1$

素因数の和:10373

約数の個数: 40

約数和(自身を含む): 143351936

約数和(自身を除く): 76802128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 10321, 20642, 41284, 82568, 134173, 165136, 268346, 319951, 536692, 639902, 1073384, 1279804, 2146768, 2559608, 4159363, 5119216, 8318726, 16637452, 33274904, 66549808]

約数ペア:

[(1, 66549808), (2, 33274904), (4, 16637452), (8, 8318726), (13, 5119216), (16, 4159363), (26, 2559608), (31, 2146768), (52, 1279804), (62, 1073384), (104, 639902), (124, 536692), (208, 319951), (248, 268346), (403, 165136), (496, 134173), (806, 82568), (1612, 41284), (3224, 20642), (6448, 10321)]