About the Number

129120138

129120137 ← → 129120139

2進数表記:111101100100011011110001010

漢数字表記:一億二千九百十二万百三十八

素因数分解:

2 1 × 3 2 × 7 1 × 127 1 × 8069 1

素因数の和:8211
約数の個数: 48
約数和(自身を含む): 322283520
約数和(自身を除く): 193163382

約数列:
[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 127, 254, 381, 762, 889, 1143, 1778, 2286, 2667, 5334, 8001, 8069, 16002, 16138, 24207, 48414, 56483, 72621, 112966, 145242, 169449, 338898, 508347, 1016694, 1024763, 2049526, 3074289, 6148578, 7173341, 9222867, 14346682, 18445734, 21520023, 43040046, 64560069, 129120138]

約数ペア:
[(1, 129120138), (2, 64560069), (3, 43040046), (6, 21520023), (7, 18445734), (9, 14346682), (14, 9222867), (18, 7173341), (21, 6148578), (42, 3074289), (63, 2049526), (126, 1024763), (127, 1016694), (254, 508347), (381, 338898), (762, 169449), (889, 145242), (1143, 112966), (1778, 72621), (2286, 56483), (2667, 48414), (5334, 24207), (8001, 16138), (8069, 16002)]

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