28209902

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{118529}}^1$

素因数の和:118555

約数の個数: 16

約数和(自身を含む): 51204960

約数和(自身を除く): 22995058

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 118529, 237058, 829703, 1659406, 2014993, 4029986, 14104951, 28209902]

約数ペア:

[(1, 28209902), (2, 14104951), (7, 4029986), (14, 2014993), (17, 1659406), (34, 829703), (119, 237058), (238, 118529)]