28061117

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 32845824

約数和(自身を除く): 4784707

約数列:

[1, 7, 71, 131, 431, 497, 917, 3017, 9301, 30601, 56461, 65107, 214207, 395227, 4008731, 28061117]

約数ペア:

[(1, 28061117), (7, 4008731), (71, 395227), (131, 214207), (431, 65107), (497, 56461), (917, 30601), (3017, 9301)]