81692225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1151}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 107993088

約数和(自身を除く): 26300863

約数列:

[1, 5, 17, 25, 85, 167, 425, 835, 1151, 2839, 4175, 5755, 14195, 19567, 28775, 70975, 97835, 192217, 489175, 961085, 3267689, 4805425, 16338445, 81692225]

約数ペア:

[(1, 81692225), (5, 16338445), (17, 4805425), (25, 3267689), (85, 961085), (167, 489175), (425, 192217), (835, 97835), (1151, 70975), (2839, 28775), (4175, 19567), (5755, 14195)]