38390989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 48935040

約数和(自身を除く): 10544051

約数列:

[1, 7, 13, 31, 91, 217, 403, 439, 961, 2821, 3073, 5707, 6727, 12493, 13609, 39949, 87451, 95263, 176917, 421879, 1238419, 2953153, 5484427, 38390989]

約数ペア:

[(1, 38390989), (7, 5484427), (13, 2953153), (31, 1238419), (91, 421879), (217, 176917), (403, 95263), (439, 87451), (961, 39949), (2821, 13609), (3073, 12493), (5707, 6727)]