28018159

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 32302368

約数和(自身を除く): 4284209

約数列:

[1, 13, 17, 97, 221, 1261, 1307, 1649, 16991, 21437, 22219, 126779, 288847, 1648127, 2155243, 28018159]

約数ペア:

[(1, 28018159), (13, 2155243), (17, 1648127), (97, 288847), (221, 126779), (1261, 22219), (1307, 21437), (1649, 16991)]