857807834

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{37879}}^1$

素因数の和:37974

約数の個数: 24

約数和(自身を含む): 1414136160

約数和(自身を除く): 556328326

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 871, 1742, 11323, 22646, 37879, 75758, 492427, 984854, 2537893, 5075786, 6401551, 12803102, 32992609, 65985218, 428903917, 857807834]

約数ペア:

[(1, 857807834), (2, 428903917), (13, 65985218), (26, 32992609), (67, 12803102), (134, 6401551), (169, 5075786), (338, 2537893), (871, 984854), (1742, 492427), (11323, 75758), (22646, 37879)]