About the Number

131009256

131009255 ← → 131009257

2進数表記:111110011110000101011101000

漢数字表記:一億三千百万九千二百五十六

素因数分解:

2 3 × 3 2 × 7 1 × 19 1 × 13681 1

素因数の和:13719
約数の個数: 96
約数和(自身を含む): 426878400
約数和(自身を除く): 295869144

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, 13681, 27362, 41043, 54724, 82086, 95767, 109448, 123129, 164172, 191534, 246258, 259939, 287301, 328344, 383068, 492516, 519878, 574602, 766136, 779817, 861903, 985032, 1039756, 1149204, 1559634, 1723806, 1819573, 2079512, 2298408, 2339451, 3119268, 3447612, 3639146, 4678902, 5458719, 6238536, 6895224, 7278292, 9357804, 10917438, 14556584, 16376157, 18715608, 21834876, 32752314, 43669752, 65504628, 131009256]

約数ペア:
[(1, 131009256), (2, 65504628), (3, 43669752), (4, 32752314), (6, 21834876), (7, 18715608), (8, 16376157), (9, 14556584), (12, 10917438), (14, 9357804), (18, 7278292), (19, 6895224), (21, 6238536), (24, 5458719), (28, 4678902), (36, 3639146), (38, 3447612), (42, 3119268), (56, 2339451), (57, 2298408), (63, 2079512), (72, 1819573), (76, 1723806), (84, 1559634), (114, 1149204), (126, 1039756), (133, 985032), (152, 861903), (168, 779817), (171, 766136), (228, 574602), (252, 519878), (266, 492516), (342, 383068), (399, 328344), (456, 287301), (504, 259939), (532, 246258), (684, 191534), (798, 164172), (1064, 123129), (1197, 109448), (1368, 95767), (1596, 82086), (2394, 54724), (3192, 41043), (4788, 27362), (9576, 13681)]

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