81076828

素因数分解:

$2^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{6449}}^1$

素因数の和:6909

約数の個数: 24

約数和(自身を含む): 162540000

約数和(自身を除く): 81463172

約数列:

[1, 2, 4, 7, 14, 28, 449, 898, 1796, 3143, 6286, 6449, 12572, 12898, 25796, 45143, 90286, 180572, 2895601, 5791202, 11582404, 20269207, 40538414, 81076828]

約数ペア:

[(1, 81076828), (2, 40538414), (4, 20269207), (7, 11582404), (14, 5791202), (28, 2895601), (449, 180572), (898, 90286), (1796, 45143), (3143, 25796), (6286, 12898), (6449, 12572)]