71129525

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 91137024

約数和(自身を除く): 20007499

約数列:

[1, 5, 25, 43, 127, 215, 521, 635, 1075, 2605, 3175, 5461, 13025, 22403, 27305, 66167, 112015, 136525, 330835, 560075, 1654175, 2845181, 14225905, 71129525]

約数ペア:

[(1, 71129525), (5, 14225905), (25, 2845181), (43, 1654175), (127, 560075), (215, 330835), (521, 136525), (635, 112015), (1075, 66167), (2605, 27305), (3175, 22403), (5461, 13025)]