28688653

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 33882624

約数和(自身を除く): 5193971

約数列:

[1, 7, 37, 257, 259, 431, 1799, 3017, 9509, 15947, 66563, 110767, 111629, 775369, 4098379, 28688653]

約数ペア:

[(1, 28688653), (7, 4098379), (37, 775369), (257, 111629), (259, 110767), (431, 66563), (1799, 15947), (3017, 9509)]