2154019

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 2723328

約数和(自身を除く): 569309

約数列:

[1, 7, 17, 23, 119, 161, 391, 787, 2737, 5509, 13379, 18101, 93653, 126707, 307717, 2154019]

約数ペア:

[(1, 2154019), (7, 307717), (17, 126707), (23, 93653), (119, 18101), (161, 13379), (391, 5509), (787, 2737)]