27780208

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{11059}}^1$

素因数の和:11224

約数の個数: 20

約数和(自身を含む): 54171880

約数和(自身を除く): 26391672

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 11059, 22118, 44236, 88472, 176944, 1736263, 3472526, 6945052, 13890104, 27780208]

約数ペア:

[(1, 27780208), (2, 13890104), (4, 6945052), (8, 3472526), (16, 1736263), (157, 176944), (314, 88472), (628, 44236), (1256, 22118), (2512, 11059)]