128085136

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 253805184

約数和(自身を除く): 125720048

約数列:

[1, 2, 4, 8, 16, 71, 137, 142, 274, 284, 548, 568, 823, 1096, 1136, 1646, 2192, 3292, 6584, 9727, 13168, 19454, 38908, 58433, 77816, 112751, 116866, 155632, 225502, 233732, 451004, 467464, 902008, 934928, 1804016, 8005321, 16010642, 32021284, 64042568, 128085136]

約数ペア:

[(1, 128085136), (2, 64042568), (4, 32021284), (8, 16010642), (16, 8005321), (71, 1804016), (137, 934928), (142, 902008), (274, 467464), (284, 451004), (548, 233732), (568, 225502), (823, 155632), (1096, 116866), (1136, 112751), (1646, 77816), (2192, 58433), (3292, 38908), (6584, 19454), (9727, 13168)]