219592208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17573}}^1$

素因数の和:17663

約数の個数: 40

約数和(自身を含む): 470702016

約数和(自身を除く): 251109808

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1562, 3124, 6248, 12496, 17573, 35146, 70292, 140584, 193303, 281168, 386606, 773212, 1247683, 1546424, 2495366, 3092848, 4990732, 9981464, 13724513, 19962928, 27449026, 54898052, 109796104, 219592208]

約数ペア:

[(1, 219592208), (2, 109796104), (4, 54898052), (8, 27449026), (11, 19962928), (16, 13724513), (22, 9981464), (44, 4990732), (71, 3092848), (88, 2495366), (142, 1546424), (176, 1247683), (284, 773212), (568, 386606), (781, 281168), (1136, 193303), (1562, 140584), (3124, 70292), (6248, 35146), (12496, 17573)]