201991516795

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{1693}}^1\times {\mathrm{223009}}^1$

素因数の和:224814

約数の個数: 16

約数和(自身を含む): 244800753120

約数和(自身を除く): 42809236325

約数列:

[1, 5, 107, 535, 1693, 8465, 181151, 223009, 905755, 1115045, 23861963, 119309815, 377554237, 1887771185, 40398303359, 201991516795]

約数ペア:

[(1, 201991516795), (5, 40398303359), (107, 1887771185), (535, 377554237), (1693, 119309815), (8465, 23861963), (181151, 1115045), (223009, 905755)]