2181896795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{818723}}^1$

素因数の和:818782

約数の個数: 16

約数和(自身を含む): 2888458272

約数和(自身を除く): 706561477

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 818723, 4093615, 10643399, 33567643, 53216995, 167838215, 436379359, 2181896795]

約数ペア:

[(1, 2181896795), (5, 436379359), (13, 167838215), (41, 53216995), (65, 33567643), (205, 10643399), (533, 4093615), (2665, 818723)]