28772555

素因数分解:

$5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:928

約数の個数: 32

約数和(自身を含む): 42432000

約数和(自身を除く): 13659445

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 343, 665, 883, 931, 1715, 4415, 4655, 6181, 6517, 16777, 30905, 32585, 43267, 83885, 117439, 216335, 302869, 587195, 822073, 1514345, 4110365, 5754511, 28772555]

約数ペア:

[(1, 28772555), (5, 5754511), (7, 4110365), (19, 1514345), (35, 822073), (49, 587195), (95, 302869), (133, 216335), (245, 117439), (343, 83885), (665, 43267), (883, 32585), (931, 30905), (1715, 16777), (4415, 6517), (4655, 6181)]