39998212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1129}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 74322360

約数和(自身を除く): 34324148

約数列:

[1, 2, 4, 17, 34, 68, 521, 1042, 1129, 2084, 2258, 4516, 8857, 17714, 19193, 35428, 38386, 76772, 588209, 1176418, 2352836, 9999553, 19999106, 39998212]

約数ペア:

[(1, 39998212), (2, 19999106), (4, 9999553), (17, 2352836), (34, 1176418), (68, 588209), (521, 76772), (1042, 38386), (1129, 35428), (2084, 19193), (2258, 17714), (4516, 8857)]