About the Number

128784264

128784263 ← → 128784265

2進数表記:111101011010001011110001000

漢数字表記:一億二千八百七十八万四千二百六十四

素因数分解:

2 3 × 3 1 × 7 1 × 73 1 × 10501 1

素因数の和:10590
約数の個数: 64
約数和(自身を含む): 373031040
約数和(自身を除く): 244246776

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 73, 84, 146, 168, 219, 292, 438, 511, 584, 876, 1022, 1533, 1752, 2044, 3066, 4088, 6132, 10501, 12264, 21002, 31503, 42004, 63006, 73507, 84008, 126012, 147014, 220521, 252024, 294028, 441042, 588056, 766573, 882084, 1533146, 1764168, 2299719, 3066292, 4599438, 5366011, 6132584, 9198876, 10732022, 16098033, 18397752, 21464044, 32196066, 42928088, 64392132, 128784264]

約数ペア:
[(1, 128784264), (2, 64392132), (3, 42928088), (4, 32196066), (6, 21464044), (7, 18397752), (8, 16098033), (12, 10732022), (14, 9198876), (21, 6132584), (24, 5366011), (28, 4599438), (42, 3066292), (56, 2299719), (73, 1764168), (84, 1533146), (146, 882084), (168, 766573), (219, 588056), (292, 441042), (438, 294028), (511, 252024), (584, 220521), (876, 147014), (1022, 126012), (1533, 84008), (1752, 73507), (2044, 63006), (3066, 42004), (4088, 31503), (6132, 21002), (10501, 12264)]

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