About the Number

128976688

128976687 ← → 128976689

2進数表記:111101100000000011100110000

漢数字表記:一億二千八百九十七万六千六百八十八

素因数分解:

2 4 × 17 1 × 29 1 × 83 1 × 197 1

素因数の和:334
約数の個数: 80
約数和(自身を含む): 278419680
約数和(自身を除く): 149442992

約数列:
[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 83, 116, 136, 166, 197, 232, 272, 332, 394, 464, 493, 664, 788, 986, 1328, 1411, 1576, 1972, 2407, 2822, 3152, 3349, 3944, 4814, 5644, 5713, 6698, 7888, 9628, 11288, 11426, 13396, 16351, 19256, 22576, 22852, 26792, 32702, 38512, 40919, 45704, 53584, 65404, 81838, 91408, 97121, 130808, 163676, 194242, 261616, 277967, 327352, 388484, 474179, 555934, 654704, 776968, 948358, 1111868, 1553936, 1896716, 2223736, 3793432, 4447472, 7586864, 8061043, 16122086, 32244172, 64488344, 128976688]

約数ペア:
[(1, 128976688), (2, 64488344), (4, 32244172), (8, 16122086), (16, 8061043), (17, 7586864), (29, 4447472), (34, 3793432), (58, 2223736), (68, 1896716), (83, 1553936), (116, 1111868), (136, 948358), (166, 776968), (197, 654704), (232, 555934), (272, 474179), (332, 388484), (394, 327352), (464, 277967), (493, 261616), (664, 194242), (788, 163676), (986, 130808), (1328, 97121), (1411, 91408), (1576, 81838), (1972, 65404), (2407, 53584), (2822, 45704), (3152, 40919), (3349, 38512), (3944, 32702), (4814, 26792), (5644, 22852), (5713, 22576), (6698, 19256), (7888, 16351), (9628, 13396), (11288, 11426)]

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