81856216

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{787079}}^1$

素因数の和:787098

約数の個数: 16

約数和(自身を含む): 165286800

約数和(自身を除く): 83430584

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 787079, 1574158, 3148316, 6296632, 10232027, 20464054, 40928108, 81856216]

約数ペア:

[(1, 81856216), (2, 40928108), (4, 20464054), (8, 10232027), (13, 6296632), (26, 3148316), (52, 1574158), (104, 787079)]