81785011

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 110550528

約数和(自身を除く): 28765517

約数列:

[1, 7, 11, 17, 43, 77, 119, 187, 301, 473, 731, 1309, 1453, 3311, 5117, 8041, 10171, 15983, 24701, 56287, 62479, 111881, 172907, 271711, 437353, 687269, 1062143, 1901977, 4810883, 7435001, 11683573, 81785011]

約数ペア:

[(1, 81785011), (7, 11683573), (11, 7435001), (17, 4810883), (43, 1901977), (77, 1062143), (119, 687269), (187, 437353), (301, 271711), (473, 172907), (731, 111881), (1309, 62479), (1453, 56287), (3311, 24701), (5117, 15983), (8041, 10171)]