164865508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{21061}}^1$

素因数の和:21187

約数の個数: 24

約数和(自身を含む): 306662720

約数和(自身を除く): 141797212

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 3914, 7828, 21061, 42122, 84244, 400159, 800318, 1600636, 2169283, 4338566, 8677132, 41216377, 82432754, 164865508]

約数ペア:

[(1, 164865508), (2, 82432754), (4, 41216377), (19, 8677132), (38, 4338566), (76, 2169283), (103, 1600636), (206, 800318), (412, 400159), (1957, 84244), (3914, 42122), (7828, 21061)]