30721754

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{129083}}^1$

素因数の和:129109

約数の個数: 16

約数和(自身を含む): 55764288

約数和(自身を除く): 25042534

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 129083, 258166, 903581, 1807162, 2194411, 4388822, 15360877, 30721754]

約数ペア:

[(1, 30721754), (2, 15360877), (7, 4388822), (14, 2194411), (17, 1807162), (34, 903581), (119, 258166), (238, 129083)]