181997336

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{1237}}^1$

素因数の和:1643

約数の個数: 32

約数和(自身を含む): 348967440

約数和(自身を除く): 166970104

約数列:

[1, 2, 4, 8, 53, 106, 212, 347, 424, 694, 1237, 1388, 2474, 2776, 4948, 9896, 18391, 36782, 65561, 73564, 131122, 147128, 262244, 429239, 524488, 858478, 1716956, 3433912, 22749667, 45499334, 90998668, 181997336]

約数ペア:

[(1, 181997336), (2, 90998668), (4, 45499334), (8, 22749667), (53, 3433912), (106, 1716956), (212, 858478), (347, 524488), (424, 429239), (694, 262244), (1237, 147128), (1388, 131122), (2474, 73564), (2776, 65561), (4948, 36782), (9896, 18391)]