28702190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{839}}^1$

素因数の和:1168

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 27907090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 622, 839, 1555, 1678, 3110, 3421, 4195, 6842, 8390, 9229, 17105, 18458, 34210, 46145, 92290, 260929, 521858, 1304645, 2609290, 2870219, 5740438, 14351095, 28702190]

約数ペア:

[(1, 28702190), (2, 14351095), (5, 5740438), (10, 2870219), (11, 2609290), (22, 1304645), (55, 521858), (110, 260929), (311, 92290), (622, 46145), (839, 34210), (1555, 18458), (1678, 17105), (3110, 9229), (3421, 8390), (4195, 6842)]