1661189

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 16

約数和(自身を含む): 1915200

約数和(自身を除く): 254011

約数列:

[1, 17, 19, 37, 139, 323, 629, 703, 2363, 2641, 5143, 11951, 44897, 87431, 97717, 1661189]

約数ペア:

[(1, 1661189), (17, 97717), (19, 87431), (37, 44897), (139, 11951), (323, 5143), (629, 2641), (703, 2363)]