28163965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 35228160

約数和(自身を除く): 7064195

約数列:

[1, 5, 31, 109, 155, 545, 1667, 3379, 8335, 16895, 51677, 181703, 258385, 908515, 5632793, 28163965]

約数ペア:

[(1, 28163965), (5, 5632793), (31, 908515), (109, 258385), (155, 181703), (545, 51677), (1667, 16895), (3379, 8335)]