213731855

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{118411}}^1$

素因数の和:118454

約数の個数: 12

約数和(自身を含む): 270689832

約数和(自身を除く): 56957977

約数列:

[1, 5, 19, 95, 361, 1805, 118411, 592055, 2249809, 11249045, 42746371, 213731855]

約数ペア:

[(1, 213731855), (5, 42746371), (19, 11249045), (95, 2249809), (361, 592055), (1805, 118411)]