890236568

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{15313}}^1$

素因数の和:15388

約数の個数: 48

約数和(自身を含む): 1849624920

約数和(自身を除く): 959388352

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 559, 676, 1118, 1352, 2236, 4472, 7267, 14534, 15313, 29068, 30626, 58136, 61252, 122504, 199069, 398138, 658459, 796276, 1316918, 1592552, 2587897, 2633836, 5175794, 5267672, 8559967, 10351588, 17119934, 20703176, 34239868, 68479736, 111279571, 222559142, 445118284, 890236568]

約数ペア:

[(1, 890236568), (2, 445118284), (4, 222559142), (8, 111279571), (13, 68479736), (26, 34239868), (43, 20703176), (52, 17119934), (86, 10351588), (104, 8559967), (169, 5267672), (172, 5175794), (338, 2633836), (344, 2587897), (559, 1592552), (676, 1316918), (1118, 796276), (1352, 658459), (2236, 398138), (4472, 199069), (7267, 122504), (14534, 61252), (15313, 58136), (29068, 30626)]