81556916

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{5981}}^1$

素因数の和:6479

約数の個数: 24

約数和(自身を含む): 163476096

約数和(自身を除く): 81919180

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1948, 3409, 5981, 6818, 11962, 13636, 23924, 41867, 83734, 167468, 2912747, 5825494, 11650988, 20389229, 40778458, 81556916]

約数ペア:

[(1, 81556916), (2, 40778458), (4, 20389229), (7, 11650988), (14, 5825494), (28, 2912747), (487, 167468), (974, 83734), (1948, 41867), (3409, 23924), (5981, 13636), (6818, 11962)]