28825786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{12721}}^1$

素因数の和:12837

約数の個数: 16

約数和(自身を含む): 47631168

約数和(自身を除く): 18805382

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 12721, 25442, 139931, 279862, 1310263, 2620526, 14412893, 28825786]

約数ペア:

[(1, 28825786), (2, 14412893), (11, 2620526), (22, 1310263), (103, 279862), (206, 139931), (1133, 25442), (2266, 12721)]