201025168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{661267}}^1$

素因数の和:661294

約数の個数: 20

約数和(自身を含む): 409986160

約数和(自身を除く): 208960992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 661267, 1322534, 2645068, 5290136, 10580272, 12564073, 25128146, 50256292, 100512584, 201025168]

約数ペア:

[(1, 201025168), (2, 100512584), (4, 50256292), (8, 25128146), (16, 12564073), (19, 10580272), (38, 5290136), (76, 2645068), (152, 1322534), (304, 661267)]