81207038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{8221}}^1$

素因数の和:8683

約数の個数: 16

約数和(自身を含む): 133196400

約数和(自身を除く): 51989362

約数列:

[1, 2, 11, 22, 449, 898, 4939, 8221, 9878, 16442, 90431, 180862, 3691229, 7382458, 40603519, 81207038]

約数ペア:

[(1, 81207038), (2, 40603519), (11, 7382458), (22, 3691229), (449, 180862), (898, 90431), (4939, 16442), (8221, 9878)]