128534833

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1\times {\mathrm{337}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 155512448

約数和(自身を除く): 26977615

約数列:

[1, 7, 23, 103, 161, 337, 529, 721, 2359, 2369, 3703, 7751, 16583, 34711, 54257, 54487, 178273, 242977, 381409, 798353, 1247911, 5588471, 18362119, 128534833]

約数ペア:

[(1, 128534833), (7, 18362119), (23, 5588471), (103, 1247911), (161, 798353), (337, 381409), (529, 242977), (721, 178273), (2359, 54487), (2369, 54257), (3703, 34711), (7751, 16583)]