221796102521

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1\times {\mathrm{159701}}^1$

素因数の和:160904

約数の個数: 16

約数和(自身を含む): 255012153600

約数和(自身を除く): 33216051079

約数列:

[1, 7, 199, 997, 1393, 6979, 159701, 198403, 1117907, 1388821, 31780499, 159221897, 222463493, 1114553279, 31685157503, 221796102521]

約数ペア:

[(1, 221796102521), (7, 31685157503), (199, 1114553279), (997, 222463493), (1393, 159221897), (6979, 31780499), (159701, 1388821), (198403, 1117907)]