38540905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{617}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 51548616

約数和(自身を除く): 13007711

約数列:

[1, 5, 13, 31, 65, 155, 403, 617, 961, 2015, 3085, 4805, 8021, 12493, 19127, 40105, 62465, 95635, 248651, 592937, 1243255, 2964685, 7708181, 38540905]

約数ペア:

[(1, 38540905), (5, 7708181), (13, 2964685), (31, 1243255), (65, 592937), (155, 248651), (403, 95635), (617, 62465), (961, 40105), (2015, 19127), (3085, 12493), (4805, 8021)]