66688951

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 81505440

約数和(自身を除く): 14816489

約数列:

[1, 7, 29, 49, 71, 203, 497, 661, 1421, 2059, 3479, 4627, 14413, 19169, 32389, 46931, 100891, 134183, 328517, 939281, 1360999, 2299619, 9526993, 66688951]

約数ペア:

[(1, 66688951), (7, 9526993), (29, 2299619), (49, 1360999), (71, 939281), (203, 328517), (497, 134183), (661, 100891), (1421, 46931), (2059, 32389), (3479, 19169), (4627, 14413)]