About the Number

221312

221311 ← → 221313

2進数表記:110110000010000000

漢数字表記:二十二万千三百十二

素因数分解:

2 7 × 7 1 × 13 1 × 19 1

素因数の和:53
約数の個数: 64
約数和(自身を含む): 571200
約数和(自身を除く): 349888

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 266, 304, 364, 416, 448, 494, 532, 608, 728, 832, 896, 988, 1064, 1216, 1456, 1664, 1729, 1976, 2128, 2432, 2912, 3458, 3952, 4256, 5824, 6916, 7904, 8512, 11648, 13832, 15808, 17024, 27664, 31616, 55328, 110656, 221312]

約数ペア:
[(1, 221312), (2, 110656), (4, 55328), (7, 31616), (8, 27664), (13, 17024), (14, 15808), (16, 13832), (19, 11648), (26, 8512), (28, 7904), (32, 6916), (38, 5824), (52, 4256), (56, 3952), (64, 3458), (76, 2912), (91, 2432), (104, 2128), (112, 1976), (128, 1729), (133, 1664), (152, 1456), (182, 1216), (208, 1064), (224, 988), (247, 896), (266, 832), (304, 728), (364, 608), (416, 532), (448, 494)]

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