28224781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 31135104

約数和(自身を除く): 2910323

約数列:

[1, 13, 103, 107, 197, 1339, 1391, 2561, 11021, 20291, 21079, 143273, 263783, 274027, 2171137, 28224781]

約数ペア:

[(1, 28224781), (13, 2171137), (103, 274027), (107, 263783), (197, 143273), (1339, 21079), (1391, 20291), (2561, 11021)]