28971761

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6007}}^1$

素因数の和:6080

約数の個数: 16

約数和(自身を含む): 36336384

約数和(自身を除く): 7364623

約数列:

[1, 7, 13, 53, 91, 371, 689, 4823, 6007, 42049, 78091, 318371, 546637, 2228597, 4138823, 28971761]

約数ペア:

[(1, 28971761), (7, 4138823), (13, 2228597), (53, 546637), (91, 318371), (371, 78091), (689, 42049), (4823, 6007)]