81315104

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{195469}}^1$

素因数の和:195492

約数の個数: 24

約数和(自身を含む): 172404540

約数和(自身を除く): 91089436

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 195469, 390938, 781876, 1563752, 2541097, 3127504, 5082194, 6255008, 10164388, 20328776, 40657552, 81315104]

約数ペア:

[(1, 81315104), (2, 40657552), (4, 20328776), (8, 10164388), (13, 6255008), (16, 5082194), (26, 3127504), (32, 2541097), (52, 1563752), (104, 781876), (208, 390938), (416, 195469)]