16989284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{2081}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 32237688

約数和(自身を除く): 15248404

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 2081, 4082, 4162, 8164, 8324, 27053, 54106, 108212, 326717, 653434, 1306868, 4247321, 8494642, 16989284]

約数ペア:

[(1, 16989284), (2, 8494642), (4, 4247321), (13, 1306868), (26, 653434), (52, 326717), (157, 108212), (314, 54106), (628, 27053), (2041, 8324), (2081, 8164), (4082, 4162)]