28799309

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 38880000

約数和(自身を除く): 10080691

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 343, 449, 539, 833, 1309, 3143, 3773, 4939, 5831, 7633, 9163, 22001, 34573, 53431, 64141, 83963, 154007, 242011, 374017, 587741, 1694077, 2618119, 4114187, 28799309]

約数ペア:

[(1, 28799309), (7, 4114187), (11, 2618119), (17, 1694077), (49, 587741), (77, 374017), (119, 242011), (187, 154007), (343, 83963), (449, 64141), (539, 53431), (833, 34573), (1309, 22001), (3143, 9163), (3773, 7633), (4939, 5831)]