About the Number

12980309888

12980309887 ← → 12980309889

2進数表記:1100000101101011111100111110000000

漢数字表記:百二十九億八千三十万九千八百八十八

素因数分解:

2 7 × 7 1 × 13 1 × 1114381 1

素因数の和:1114415
約数の個数: 64
約数和(自身を含む): 31826749920
約数和(自身を除く): 18846440032

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11648, 1114381, 2228762, 4457524, 7800667, 8915048, 14486953, 15601334, 17830096, 28973906, 31202668, 35660192, 57947812, 62405336, 71320384, 101408671, 115895624, 124810672, 142640768, 202817342, 231791248, 249621344, 405634684, 463582496, 499242688, 811269368, 927164992, 998485376, 1622538736, 1854329984, 3245077472, 6490154944, 12980309888]

約数ペア:
[(1, 12980309888), (2, 6490154944), (4, 3245077472), (7, 1854329984), (8, 1622538736), (13, 998485376), (14, 927164992), (16, 811269368), (26, 499242688), (28, 463582496), (32, 405634684), (52, 249621344), (56, 231791248), (64, 202817342), (91, 142640768), (104, 124810672), (112, 115895624), (128, 101408671), (182, 71320384), (208, 62405336), (224, 57947812), (364, 35660192), (416, 31202668), (448, 28973906), (728, 17830096), (832, 15601334), (896, 14486953), (1456, 8915048), (1664, 7800667), (2912, 4457524), (5824, 2228762), (11648, 1114381)]

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