39640289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 46710720

約数和(自身を除く): 7070431

約数列:

[1, 13, 19, 31, 167, 247, 403, 589, 961, 2171, 3173, 5177, 7657, 12493, 18259, 41249, 67301, 98363, 160487, 237367, 1278719, 2086331, 3049253, 39640289]

約数ペア:

[(1, 39640289), (13, 3049253), (19, 2086331), (31, 1278719), (167, 237367), (247, 160487), (403, 98363), (589, 67301), (961, 41249), (2171, 18259), (3173, 12493), (5177, 7657)]