28472912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{136889}}^1$

素因数の和:136910

約数の個数: 20

約数和(自身を含む): 59410260

約数和(自身を除く): 30937348

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 136889, 273778, 547556, 1095112, 1779557, 2190224, 3559114, 7118228, 14236456, 28472912]

約数ペア:

[(1, 28472912), (2, 14236456), (4, 7118228), (8, 3559114), (13, 2190224), (16, 1779557), (26, 1095112), (52, 547556), (104, 273778), (208, 136889)]