12253787

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 16150176

約数和(自身を除く): 3896389

約数列:

[1, 7, 13, 17, 89, 91, 119, 221, 623, 1157, 1513, 1547, 7921, 8099, 10591, 19669, 55447, 102973, 134657, 137683, 720811, 942599, 1750541, 12253787]

約数ペア:

[(1, 12253787), (7, 1750541), (13, 942599), (17, 720811), (89, 137683), (91, 134657), (119, 102973), (221, 55447), (623, 19669), (1157, 10591), (1513, 8099), (1547, 7921)]