821497144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{7899011}}^1$

素因数の和:7899030

約数の個数: 16

約数和(自身を含む): 1658792520

約数和(自身を除く): 837295376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 7899011, 15798022, 31596044, 63192088, 102687143, 205374286, 410748572, 821497144]

約数ペア:

[(1, 821497144), (2, 410748572), (4, 205374286), (8, 102687143), (13, 63192088), (26, 31596044), (52, 15798022), (104, 7899011)]