205759816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{31481}}^1$

素因数の和:31549

約数の個数: 32

約数和(自身を含む): 415562400

約数和(自身を除く): 209802584

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 31481, 62962, 125924, 251848, 598139, 1196278, 1353683, 2392556, 2707366, 4785112, 5414732, 10829464, 25719977, 51439954, 102879908, 205759816]

約数ペア:

[(1, 205759816), (2, 102879908), (4, 51439954), (8, 25719977), (19, 10829464), (38, 5414732), (43, 4785112), (76, 2707366), (86, 2392556), (152, 1353683), (172, 1196278), (344, 598139), (817, 251848), (1634, 125924), (3268, 62962), (6536, 31481)]