28290437

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{883}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 33945600

約数和(自身を除く): 5655163

約数列:

[1, 7, 23, 161, 199, 883, 1393, 4577, 6181, 20309, 32039, 142163, 175717, 1230019, 4041491, 28290437]

約数ペア:

[(1, 28290437), (7, 4041491), (23, 1230019), (161, 175717), (199, 142163), (883, 32039), (1393, 20309), (4577, 6181)]