81315838

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{2069}}^1$

素因数の和:2571

約数の個数: 16

約数和(自身を含む): 125143920

約数和(自身を除く): 43828082

約数列:

[1, 2, 43, 86, 457, 914, 2069, 4138, 19651, 39302, 88967, 177934, 945533, 1891066, 40657919, 81315838]

約数ペア:

[(1, 81315838), (2, 40657919), (43, 1891066), (86, 945533), (457, 177934), (914, 88967), (2069, 39302), (4138, 19651)]