28718788

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4861}}^1$

素因数の和:5083

約数の個数: 24

約数和(自身を含む): 57721664

約数和(自身を除く): 29002876

約数列:

[1, 2, 4, 7, 14, 28, 211, 422, 844, 1477, 2954, 4861, 5908, 9722, 19444, 34027, 68054, 136108, 1025671, 2051342, 4102684, 7179697, 14359394, 28718788]

約数ペア:

[(1, 28718788), (2, 14359394), (4, 7179697), (7, 4102684), (14, 2051342), (28, 1025671), (211, 136108), (422, 68054), (844, 34027), (1477, 19444), (2954, 9722), (4861, 5908)]