204920456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{45823}}^1$

素因数の和:45885

約数の個数: 32

約数和(自身を含む): 423413760

約数和(自身を除く): 218493304

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 45823, 91646, 183292, 366584, 595699, 1191398, 1970389, 2382796, 3940778, 4765592, 7881556, 15763112, 25615057, 51230114, 102460228, 204920456]

約数ペア:

[(1, 204920456), (2, 102460228), (4, 51230114), (8, 25615057), (13, 15763112), (26, 7881556), (43, 4765592), (52, 3940778), (86, 2382796), (104, 1970389), (172, 1191398), (344, 595699), (559, 366584), (1118, 183292), (2236, 91646), (4472, 45823)]