209680361855

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{10054201}}^1$

素因数の和:10054346

約数の個数: 16

約数和(自身を含む): 260122314144

約数和(自身を除く): 50441952289

約数列:

[1, 5, 43, 97, 215, 485, 4171, 20855, 10054201, 50271005, 432330643, 975257497, 2161653215, 4876287485, 41936072371, 209680361855]

約数ペア:

[(1, 209680361855), (5, 41936072371), (43, 4876287485), (97, 2161653215), (215, 975257497), (485, 432330643), (4171, 50271005), (20855, 10054201)]