1242395

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 1896048

約数和(自身を除く): 653653

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 461, 539, 2305, 2695, 3227, 5071, 16135, 22589, 25355, 35497, 112945, 177485, 248479, 1242395]

約数ペア:

[(1, 1242395), (5, 248479), (7, 177485), (11, 112945), (35, 35497), (49, 25355), (55, 22589), (77, 16135), (245, 5071), (385, 3227), (461, 2695), (539, 2305)]