81015508

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{70571}}^1$

素因数の和:70623

約数の個数: 24

約数和(自身を含む): 165985344

約数和(自身を除く): 84969836

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 70571, 141142, 282284, 493997, 987994, 1975988, 2893411, 5786822, 11573644, 20253877, 40507754, 81015508]

約数ペア:

[(1, 81015508), (2, 40507754), (4, 20253877), (7, 11573644), (14, 5786822), (28, 2893411), (41, 1975988), (82, 987994), (164, 493997), (287, 282284), (574, 141142), (1148, 70571)]