172910810

素因数分解:

$2^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{21061}}^1$

素因数の和:21889

約数の個数: 16

約数和(自身を含む): 311633352

約数和(自身を除く): 138722542

約数列:

[1, 2, 5, 10, 821, 1642, 4105, 8210, 21061, 42122, 105305, 210610, 17291081, 34582162, 86455405, 172910810]

約数ペア:

[(1, 172910810), (2, 86455405), (5, 34582162), (10, 17291081), (821, 210610), (1642, 105305), (4105, 42122), (8210, 21061)]