28521178

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{65717}}^1$

素因数の和:65757

約数の個数: 16

約数和(自身を含む): 50471424

約数和(自身を除く): 21950246

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 65717, 131434, 460019, 920038, 2037227, 4074454, 14260589, 28521178]

約数ペア:

[(1, 28521178), (2, 14260589), (7, 4074454), (14, 2037227), (31, 920038), (62, 460019), (217, 131434), (434, 65717)]