28791196

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4001}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 57820896

約数和(自身を除く): 29029700

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 4001, 7196, 8002, 16004, 28007, 56014, 112028, 1028257, 2056514, 4113028, 7197799, 14395598, 28791196]

約数ペア:

[(1, 28791196), (2, 14395598), (4, 7197799), (7, 4113028), (14, 2056514), (28, 1028257), (257, 112028), (514, 56014), (1028, 28007), (1799, 16004), (3598, 8002), (4001, 7196)]