26390026

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:670

約数の個数: 24

約数和(自身を含む): 43217280

約数和(自身を除く): 16827254

約数列:

[1, 2, 13, 26, 163, 169, 326, 338, 479, 958, 2119, 4238, 6227, 12454, 27547, 55094, 78077, 80951, 156154, 161902, 1015001, 2030002, 13195013, 26390026]

約数ペア:

[(1, 26390026), (2, 13195013), (13, 2030002), (26, 1015001), (163, 161902), (169, 156154), (326, 80951), (338, 78077), (479, 55094), (958, 27547), (2119, 12454), (4238, 6227)]