About the Number

291139128

291139127 ← → 291139129

2進数表記:10001010110100110111000111000

漢数字表記:二億九千百十三万九千百二十八

素因数分解:

2 3 × 3 2 × 7 1 × 19 1 × 30403 1

素因数の和:30441
約数の個数: 96
約数和(自身を含む): 948604800
約数和(自身を除く): 657465672

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 56, 57, 63, 72, 76, 84, 114, 126, 133, 152, 168, 171, 228, 252, 266, 342, 399, 456, 504, 532, 684, 798, 1064, 1197, 1368, 1596, 2394, 3192, 4788, 9576, 30403, 60806, 91209, 121612, 182418, 212821, 243224, 273627, 364836, 425642, 547254, 577657, 638463, 729672, 851284, 1094508, 1155314, 1276926, 1702568, 1732971, 1915389, 2189016, 2310628, 2553852, 3465942, 3830778, 4043599, 4621256, 5107704, 5198913, 6931884, 7661556, 8087198, 10397826, 12130797, 13863768, 15323112, 16174396, 20795652, 24261594, 32348792, 36392391, 41591304, 48523188, 72784782, 97046376, 145569564, 291139128]

約数ペア:
[(1, 291139128), (2, 145569564), (3, 97046376), (4, 72784782), (6, 48523188), (7, 41591304), (8, 36392391), (9, 32348792), (12, 24261594), (14, 20795652), (18, 16174396), (19, 15323112), (21, 13863768), (24, 12130797), (28, 10397826), (36, 8087198), (38, 7661556), (42, 6931884), (56, 5198913), (57, 5107704), (63, 4621256), (72, 4043599), (76, 3830778), (84, 3465942), (114, 2553852), (126, 2310628), (133, 2189016), (152, 1915389), (168, 1732971), (171, 1702568), (228, 1276926), (252, 1155314), (266, 1094508), (342, 851284), (399, 729672), (456, 638463), (504, 577657), (532, 547254), (684, 425642), (798, 364836), (1064, 273627), (1197, 243224), (1368, 212821), (1596, 182418), (2394, 121612), (3192, 91209), (4788, 60806), (9576, 30403)]

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