131781564

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{5693}}^1$

素因数の和:6346

約数の個数: 36

約数和(自身を含む): 333691176

約数和(自身を除く): 201909612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 1286, 1929, 2572, 3858, 5693, 5787, 7716, 11386, 11574, 17079, 22772, 23148, 34158, 51237, 68316, 102474, 204948, 3660599, 7321198, 10981797, 14642396, 21963594, 32945391, 43927188, 65890782, 131781564]

約数ペア:

[(1, 131781564), (2, 65890782), (3, 43927188), (4, 32945391), (6, 21963594), (9, 14642396), (12, 10981797), (18, 7321198), (36, 3660599), (643, 204948), (1286, 102474), (1929, 68316), (2572, 51237), (3858, 34158), (5693, 23148), (5787, 22772), (7716, 17079), (11386, 11574)]