39971687

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1109}}^1$

素因数の和:1406

約数の個数: 16

約数和(自身を含む): 48307200

約数和(自身を除く): 8335513

約数列:

[1, 7, 19, 133, 271, 1109, 1897, 5149, 7763, 21071, 36043, 147497, 300539, 2103773, 5710241, 39971687]

約数ペア:

[(1, 39971687), (7, 5710241), (19, 2103773), (133, 300539), (271, 147497), (1109, 36043), (1897, 21071), (5149, 7763)]