28412447

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 33126912

約数和(自身を除く): 4714465

約数列:

[1, 7, 103, 157, 251, 721, 1099, 1757, 16171, 25853, 39407, 113197, 180971, 275849, 4058921, 28412447]

約数ペア:

[(1, 28412447), (7, 4058921), (103, 275849), (157, 180971), (251, 113197), (721, 39407), (1099, 25853), (1757, 16171)]