About the Number

168945728

168945727 ← → 168945729

2進数表記:1010000100011110100001000000

漢数字表記:一億六千八百九十四万五千七百二十八

素因数分解:

2 6 × 7 2 × 17 1 × 3169 1

素因数の和:3212
約数の個数: 84
約数和(自身を含む): 413057340
約数和(自身を除く): 244111612

約数列:
[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 448, 476, 544, 784, 833, 952, 1088, 1568, 1666, 1904, 3136, 3169, 3332, 3808, 6338, 6664, 7616, 12676, 13328, 22183, 25352, 26656, 44366, 50704, 53312, 53873, 88732, 101408, 107746, 155281, 177464, 202816, 215492, 310562, 354928, 377111, 430984, 621124, 709856, 754222, 861968, 1242248, 1419712, 1508444, 1723936, 2484496, 2639777, 3016888, 3447872, 4968992, 5279554, 6033776, 9937984, 10559108, 12067552, 21118216, 24135104, 42236432, 84472864, 168945728]

約数ペア:
[(1, 168945728), (2, 84472864), (4, 42236432), (7, 24135104), (8, 21118216), (14, 12067552), (16, 10559108), (17, 9937984), (28, 6033776), (32, 5279554), (34, 4968992), (49, 3447872), (56, 3016888), (64, 2639777), (68, 2484496), (98, 1723936), (112, 1508444), (119, 1419712), (136, 1242248), (196, 861968), (224, 754222), (238, 709856), (272, 621124), (392, 430984), (448, 377111), (476, 354928), (544, 310562), (784, 215492), (833, 202816), (952, 177464), (1088, 155281), (1568, 107746), (1666, 101408), (1904, 88732), (3136, 53873), (3169, 53312), (3332, 50704), (3808, 44366), (6338, 26656), (6664, 25352), (7616, 22183), (12676, 13328)]

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