28649929

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19583}}^1$

素因数の和:19620

約数の個数: 16

約数和(自身を含む): 37601280

約数和(自身を除く): 8951351

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 19583, 137081, 215413, 372077, 1507891, 2604539, 4092847, 28649929]

約数ペア:

[(1, 28649929), (7, 4092847), (11, 2604539), (19, 1507891), (77, 372077), (133, 215413), (209, 137081), (1463, 19583)]