28107079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 38674944

約数和(自身を除く): 10567865

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 301, 473, 559, 653, 1001, 3311, 3913, 4571, 6149, 7183, 8489, 28079, 43043, 50281, 59423, 93379, 196553, 308869, 365027, 653653, 2162083, 2555189, 4015297, 28107079]

約数ペア:

[(1, 28107079), (7, 4015297), (11, 2555189), (13, 2162083), (43, 653653), (77, 365027), (91, 308869), (143, 196553), (301, 93379), (473, 59423), (559, 50281), (653, 43043), (1001, 28079), (3311, 8489), (3913, 7183), (4571, 6149)]