81001564

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{25601}}^1$

素因数の和:25725

約数の個数: 24

約数和(自身を含む): 163443168

約数和(自身を除く): 82441604

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 25601, 51202, 102404, 179207, 358414, 716828, 2892913, 5785826, 11571652, 20250391, 40500782, 81001564]

約数ペア:

[(1, 81001564), (2, 40500782), (4, 20250391), (7, 11571652), (14, 5785826), (28, 2892913), (113, 716828), (226, 358414), (452, 179207), (791, 102404), (1582, 51202), (3164, 25601)]