81438304

素因数分解:

$2^5\times {\mathrm{571}}^1\times {\mathrm{4457}}^1$

素因数の和:5038

約数の個数: 24

約数和(自身を含む): 160648488

約数和(自身を除く): 79210184

約数列:

[1, 2, 4, 8, 16, 32, 571, 1142, 2284, 4457, 4568, 8914, 9136, 17828, 18272, 35656, 71312, 142624, 2544947, 5089894, 10179788, 20359576, 40719152, 81438304]

約数ペア:

[(1, 81438304), (2, 40719152), (4, 20359576), (8, 10179788), (16, 5089894), (32, 2544947), (571, 142624), (1142, 71312), (2284, 35656), (4457, 18272), (4568, 17828), (8914, 9136)]