217423984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{769}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 433097280

約数和(自身を除く): 215673296

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 431, 656, 769, 862, 1538, 1724, 3076, 3448, 6152, 6896, 12304, 17671, 31529, 35342, 63058, 70684, 126116, 141368, 252232, 282736, 331439, 504464, 662878, 1325756, 2651512, 5303024, 13588999, 27177998, 54355996, 108711992, 217423984]

約数ペア:

[(1, 217423984), (2, 108711992), (4, 54355996), (8, 27177998), (16, 13588999), (41, 5303024), (82, 2651512), (164, 1325756), (328, 662878), (431, 504464), (656, 331439), (769, 282736), (862, 252232), (1538, 141368), (1724, 126116), (3076, 70684), (3448, 63058), (6152, 35342), (6896, 31529), (12304, 17671)]