71205673

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 100958400

約数和(自身を除く): 29752727

約数列:

[1, 7, 11, 17, 19, 49, 77, 119, 133, 187, 209, 323, 409, 539, 833, 931, 1309, 1463, 2261, 2863, 3553, 4499, 6953, 7771, 9163, 10241, 15827, 20041, 24871, 31493, 48671, 54397, 76483, 85481, 132107, 174097, 220451, 340697, 380779, 535381, 598367, 924749, 1453177, 3747667, 4188569, 6473243, 10172239, 71205673]

約数ペア:

[(1, 71205673), (7, 10172239), (11, 6473243), (17, 4188569), (19, 3747667), (49, 1453177), (77, 924749), (119, 598367), (133, 535381), (187, 380779), (209, 340697), (323, 220451), (409, 174097), (539, 132107), (833, 85481), (931, 76483), (1309, 54397), (1463, 48671), (2261, 31493), (2863, 24871), (3553, 20041), (4499, 15827), (6953, 10241), (7771, 9163)]