215565508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{1489}}^1\times {\mathrm{2129}}^1$

素因数の和:3639

約数の個数: 24

約数和(自身を含む): 399886200

約数和(自身を除く): 184320692

約数列:

[1, 2, 4, 17, 34, 68, 1489, 2129, 2978, 4258, 5956, 8516, 25313, 36193, 50626, 72386, 101252, 144772, 3170081, 6340162, 12680324, 53891377, 107782754, 215565508]

約数ペア:

[(1, 215565508), (2, 107782754), (4, 53891377), (17, 12680324), (34, 6340162), (68, 3170081), (1489, 144772), (2129, 101252), (2978, 72386), (4258, 50626), (5956, 36193), (8516, 25313)]