28589905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2753}}^1$

素因数の和:2856

約数の個数: 16

約数和(自身を含む): 35956224

約数和(自身を除く): 7366319

約数列:

[1, 5, 31, 67, 155, 335, 2077, 2753, 10385, 13765, 85343, 184451, 426715, 922255, 5717981, 28589905]

約数ペア:

[(1, 28589905), (5, 5717981), (31, 922255), (67, 426715), (155, 184451), (335, 85343), (2077, 13765), (2753, 10385)]