About the Number

201212408

201212407 ← → 201212409

2進数表記:1011111111100100000111111000

漢数字表記:二億百二十一万二千四百八

素因数分解:

2 3 × 17 1 × 827 1 × 1789 1

素因数の和:2639
約数の個数: 32
約数和(自身を含む): 400172400
約数和(自身を除く): 198959992

約数列:
[1, 2, 4, 8, 17, 34, 68, 136, 827, 1654, 1789, 3308, 3578, 6616, 7156, 14059, 14312, 28118, 30413, 56236, 60826, 112472, 121652, 243304, 1479503, 2959006, 5918012, 11836024, 25151551, 50303102, 100606204, 201212408]

約数ペア:
[(1, 201212408), (2, 100606204), (4, 50303102), (8, 25151551), (17, 11836024), (34, 5918012), (68, 2959006), (136, 1479503), (827, 243304), (1654, 121652), (1789, 112472), (3308, 60826), (3578, 56236), (6616, 30413), (7156, 28118), (14059, 14312)]

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