209819902

素因数分解:

$2^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1\times {\mathrm{677}}^1$

素因数の和:1563

約数の個数: 16

約数和(自身を含む): 316994832

約数和(自身を除く): 107174930

約数列:

[1, 2, 241, 482, 643, 677, 1286, 1354, 154963, 163157, 309926, 326314, 435311, 870622, 104909951, 209819902]

約数ペア:

[(1, 209819902), (2, 104909951), (241, 870622), (482, 435311), (643, 326314), (677, 309926), (1286, 163157), (1354, 154963)]