About the Number

131380656

131380655 ← → 131380657

2進数表記:111110101001011010110110000

漢数字表記:一億三千百三十八万六百五十六

素因数分解:

2 4 × 3 1 × 11 1 × 248827 1

素因数の和:248849
約数の個数: 40
約数和(自身を含む): 370256064
約数和(自身を除く): 238875408

約数列:
[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 248827, 497654, 746481, 995308, 1492962, 1990616, 2737097, 2985924, 3981232, 5474194, 5971848, 8211291, 10948388, 11943696, 16422582, 21896776, 32845164, 43793552, 65690328, 131380656]

約数ペア:
[(1, 131380656), (2, 65690328), (3, 43793552), (4, 32845164), (6, 21896776), (8, 16422582), (11, 11943696), (12, 10948388), (16, 8211291), (22, 5971848), (24, 5474194), (33, 3981232), (44, 2985924), (48, 2737097), (66, 1990616), (88, 1492962), (132, 995308), (176, 746481), (264, 497654), (528, 248827)]

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