About the Number

131138784

131138783 ← → 131138785

2進数表記:111110100010000010011100000

漢数字表記:一億三千百十三万八千七百八十四

素因数分解:

2 5 × 3 3 × 7 1 × 21683 1

素因数の和:21709
約数の個数: 96
約数和(自身を含む): 437149440
約数和(自身を除く): 306010656

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 144, 168, 189, 216, 224, 252, 288, 336, 378, 432, 504, 672, 756, 864, 1008, 1512, 2016, 3024, 6048, 21683, 43366, 65049, 86732, 130098, 151781, 173464, 195147, 260196, 303562, 346928, 390294, 455343, 520392, 585441, 607124, 693856, 780588, 910686, 1040784, 1170882, 1214248, 1366029, 1561176, 1821372, 2081568, 2341764, 2428496, 2732058, 3122352, 3642744, 4098087, 4683528, 4856992, 5464116, 6244704, 7285488, 8196174, 9367056, 10928232, 14570976, 16392348, 18734112, 21856464, 32784696, 43712928, 65569392, 131138784]

約数ペア:
[(1, 131138784), (2, 65569392), (3, 43712928), (4, 32784696), (6, 21856464), (7, 18734112), (8, 16392348), (9, 14570976), (12, 10928232), (14, 9367056), (16, 8196174), (18, 7285488), (21, 6244704), (24, 5464116), (27, 4856992), (28, 4683528), (32, 4098087), (36, 3642744), (42, 3122352), (48, 2732058), (54, 2428496), (56, 2341764), (63, 2081568), (72, 1821372), (84, 1561176), (96, 1366029), (108, 1214248), (112, 1170882), (126, 1040784), (144, 910686), (168, 780588), (189, 693856), (216, 607124), (224, 585441), (252, 520392), (288, 455343), (336, 390294), (378, 346928), (432, 303562), (504, 260196), (672, 195147), (756, 173464), (864, 151781), (1008, 130098), (1512, 86732), (2016, 65049), (3024, 43366), (6048, 21683)]

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