13405808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{64451}}^1$

素因数の和:64472

約数の個数: 20

約数和(自身を含む): 27972168

約数和(自身を除く): 14566360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 64451, 128902, 257804, 515608, 837863, 1031216, 1675726, 3351452, 6702904, 13405808]

約数ペア:

[(1, 13405808), (2, 6702904), (4, 3351452), (8, 1675726), (13, 1031216), (16, 837863), (26, 515608), (52, 257804), (104, 128902), (208, 64451)]