81432584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1913}}^1$

素因数の和:2249

約数の個数: 32

約数和(自身を含む): 162268920

約数和(自身を除く): 80836336

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 313, 626, 1252, 1913, 2504, 3826, 5321, 7652, 10642, 15304, 21284, 32521, 42568, 65042, 130084, 260168, 598769, 1197538, 2395076, 4790152, 10179073, 20358146, 40716292, 81432584]

約数ペア:

[(1, 81432584), (2, 40716292), (4, 20358146), (8, 10179073), (17, 4790152), (34, 2395076), (68, 1197538), (136, 598769), (313, 260168), (626, 130084), (1252, 65042), (1913, 42568), (2504, 32521), (3826, 21284), (5321, 15304), (7652, 10642)]