28538315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6553}}^1$

素因数の和:6638

約数の個数: 16

約数和(自身を含む): 37436448

約数和(自身を除く): 8898133

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 6553, 32765, 85189, 425945, 439051, 2195255, 5707663, 28538315]

約数ペア:

[(1, 28538315), (5, 5707663), (13, 2195255), (65, 439051), (67, 425945), (335, 85189), (871, 32765), (4355, 6553)]