28431557

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 37576704

約数和(自身を除く): 9145147

約数列:

[1, 7, 11, 31, 43, 77, 217, 277, 301, 341, 473, 1333, 1939, 2387, 3047, 3311, 8587, 9331, 11911, 14663, 21329, 60109, 83377, 94457, 102641, 131021, 369241, 661199, 917147, 2584687, 4061651, 28431557]

約数ペア:

[(1, 28431557), (7, 4061651), (11, 2584687), (31, 917147), (43, 661199), (77, 369241), (217, 131021), (277, 102641), (301, 94457), (341, 83377), (473, 60109), (1333, 21329), (1939, 14663), (2387, 11911), (3047, 9331), (3311, 8587)]