28626829

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 36656928

約数和(自身を除く): 8030099

約数列:

[1, 7, 11, 49, 77, 173, 307, 539, 1211, 1903, 2149, 3377, 8477, 13321, 15043, 23639, 53111, 93247, 165473, 371777, 584221, 2602439, 4089547, 28626829]

約数ペア:

[(1, 28626829), (7, 4089547), (11, 2602439), (49, 584221), (77, 371777), (173, 165473), (307, 93247), (539, 53111), (1211, 23639), (1903, 15043), (2149, 13321), (3377, 8477)]