28705898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{4951}}^1$

素因数の和:5189

約数の個数: 16

約数和(自身を含む): 46588416

約数和(自身を除く): 17882518

約数列:

[1, 2, 13, 26, 223, 446, 2899, 4951, 5798, 9902, 64363, 128726, 1104073, 2208146, 14352949, 28705898]

約数ペア:

[(1, 28705898), (2, 14352949), (13, 2208146), (26, 1104073), (223, 128726), (446, 64363), (2899, 9902), (4951, 5798)]