About the Number

678680392

678680391 ← → 678680393

2進数表記:101000011100111101011101001000

漢数字表記:六億七千八百六十八万三百九十二

素因数分解:

2 3 × 13 1 × 17 1 × 383869 1

素因数の和:383905
約数の個数: 32
約数和(自身を含む): 1451028600
約数和(自身を除く): 772348208

約数列:
[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 383869, 767738, 1535476, 3070952, 4990297, 6525773, 9980594, 13051546, 19961188, 26103092, 39922376, 52206184, 84835049, 169670098, 339340196, 678680392]

約数ペア:
[(1, 678680392), (2, 339340196), (4, 169670098), (8, 84835049), (13, 52206184), (17, 39922376), (26, 26103092), (34, 19961188), (52, 13051546), (68, 9980594), (104, 6525773), (136, 4990297), (221, 3070952), (442, 1535476), (884, 767738), (1768, 383869)]

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