38221729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 13258847

約数列:

[1, 7, 13, 17, 31, 91, 119, 217, 221, 403, 527, 797, 1547, 2821, 3689, 5579, 6851, 10361, 13549, 24707, 47957, 72527, 94843, 172949, 176137, 321191, 420019, 1232959, 2248337, 2940133, 5460247, 38221729]

約数ペア:

[(1, 38221729), (7, 5460247), (13, 2940133), (17, 2248337), (31, 1232959), (91, 420019), (119, 321191), (217, 176137), (221, 172949), (403, 94843), (527, 72527), (797, 47957), (1547, 24707), (2821, 13549), (3689, 10361), (5579, 6851)]