81787188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{973657}}^1$

素因数の和:973671

約数の個数: 24

約数和(自身を含む): 218099392

約数和(自身を除く): 136312204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 973657, 1947314, 2920971, 3894628, 5841942, 6815599, 11683884, 13631198, 20446797, 27262396, 40893594, 81787188]

約数ペア:

[(1, 81787188), (2, 40893594), (3, 27262396), (4, 20446797), (6, 13631198), (7, 11683884), (12, 6815599), (14, 5841942), (21, 3894628), (28, 2920971), (42, 1947314), (84, 973657)]