85078768

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{123661}}^1$

素因数の和:123712

約数の個数: 20

約数和(自身を含む): 168674968

約数和(自身を除く): 83596200

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 123661, 247322, 494644, 989288, 1978576, 5317423, 10634846, 21269692, 42539384, 85078768]

約数ペア:

[(1, 85078768), (2, 42539384), (4, 21269692), (8, 10634846), (16, 5317423), (43, 1978576), (86, 989288), (172, 494644), (344, 247322), (688, 123661)]