199910165

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14173}}^1$

素因数の和:14229

約数の個数: 32

約数和(自身を含む): 304797696

約数和(自身を除く): 104887531

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 14105, 14173, 70865, 99211, 184249, 439363, 496055, 921245, 1289743, 2196815, 3075541, 5711719, 6448715, 15377705, 28558595, 39982033, 199910165]

約数ペア:

[(1, 199910165), (5, 39982033), (7, 28558595), (13, 15377705), (31, 6448715), (35, 5711719), (65, 3075541), (91, 2196815), (155, 1289743), (217, 921245), (403, 496055), (455, 439363), (1085, 184249), (2015, 99211), (2821, 70865), (14105, 14173)]