28818713

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 36946944

約数和(自身を除く): 8128231

約数列:

[1, 7, 11, 49, 77, 127, 421, 539, 889, 1397, 2947, 4631, 6223, 9779, 20629, 32417, 53467, 68453, 226919, 374269, 588137, 2619883, 4116959, 28818713]

約数ペア:

[(1, 28818713), (7, 4116959), (11, 2619883), (49, 588137), (77, 374269), (127, 226919), (421, 68453), (539, 53467), (889, 32417), (1397, 20629), (2947, 9779), (4631, 6223)]