172171516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{28151}}^1$

素因数の和:28305

約数の個数: 24

約数和(自身を含む): 331067520

約数和(自身を除く): 158896004

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 6116, 28151, 56302, 112604, 309661, 619322, 1238644, 3912989, 7825978, 15651956, 43042879, 86085758, 172171516]

約数ペア:

[(1, 172171516), (2, 86085758), (4, 43042879), (11, 15651956), (22, 7825978), (44, 3912989), (139, 1238644), (278, 619322), (556, 309661), (1529, 112604), (3058, 56302), (6116, 28151)]