81703376

素因数分解:

$2^4\times {\mathrm{443}}^1\times {\mathrm{11527}}^1$

素因数の和:11978

約数の個数: 20

約数和(自身を含む): 158671392

約数和(自身を除く): 76968016

約数列:

[1, 2, 4, 8, 16, 443, 886, 1772, 3544, 7088, 11527, 23054, 46108, 92216, 184432, 5106461, 10212922, 20425844, 40851688, 81703376]

約数ペア:

[(1, 81703376), (2, 40851688), (4, 20425844), (8, 10212922), (16, 5106461), (443, 184432), (886, 92216), (1772, 46108), (3544, 23054), (7088, 11527)]