138268529

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{5443}}^1$

素因数の和:5660

約数の個数: 16

約数和(自身を含む): 167239680

約数和(自身を除く): 28971151

約数列:

[1, 7, 19, 133, 191, 1337, 3629, 5443, 25403, 38101, 103417, 723919, 1039613, 7277291, 19752647, 138268529]

約数ペア:

[(1, 138268529), (7, 19752647), (19, 7277291), (133, 1039613), (191, 723919), (1337, 103417), (3629, 38101), (5443, 25403)]