28288169

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16361}}^1$

素因数の和:16400

約数の個数: 16

約数和(自身を含む): 36650880

約数和(自身を除く): 8362711

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16361, 114527, 212693, 310859, 1488851, 2176013, 4041167, 28288169]

約数ペア:

[(1, 28288169), (7, 4041167), (13, 2176013), (19, 1488851), (91, 310859), (133, 212693), (247, 114527), (1729, 16361)]