217871207135

素因数分解:

$5^1\times {\mathrm{1171}}^1\times {\mathrm{1979}}^1\times {\mathrm{18803}}^1$

素因数の和:21958

約数の個数: 16

約数和(自身を含む): 261814861440

約数和(自身を除く): 43943654305

約数列:

[1, 5, 1171, 1979, 5855, 9895, 18803, 94015, 2317409, 11587045, 22018313, 37211137, 110091565, 186055685, 43574241427, 217871207135]

約数ペア:

[(1, 217871207135), (5, 43574241427), (1171, 186055685), (1979, 110091565), (5855, 37211137), (9895, 22018313), (18803, 11587045), (94015, 2317409)]