319855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 16

約数和(自身を含む): 419904

約数和(自身を除く): 100049

約数列:

[1, 5, 17, 53, 71, 85, 265, 355, 901, 1207, 3763, 4505, 6035, 18815, 63971, 319855]

約数ペア:

[(1, 319855), (5, 63971), (17, 18815), (53, 6035), (71, 4505), (85, 3763), (265, 1207), (355, 901)]