28881398

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5119}}^1$

素因数の和:5172

約数の個数: 32

約数和(自身を含む): 55050240

約数和(自身を除く): 26168842

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5119, 5642, 10238, 35833, 66547, 71666, 133094, 158689, 317378, 465829, 931658, 1110823, 2062957, 2221646, 4125914, 14440699, 28881398]

約数ペア:

[(1, 28881398), (2, 14440699), (7, 4125914), (13, 2221646), (14, 2062957), (26, 1110823), (31, 931658), (62, 465829), (91, 317378), (182, 158689), (217, 133094), (403, 71666), (434, 66547), (806, 35833), (2821, 10238), (5119, 5642)]