988391556

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{330787}}^1$

素因数の和:330880

約数の個数: 36

約数和(自身を含む): 2528543472

約数和(自身を除く): 1540151916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 249, 332, 498, 747, 996, 1494, 2988, 330787, 661574, 992361, 1323148, 1984722, 2977083, 3969444, 5954166, 11908332, 27455321, 54910642, 82365963, 109821284, 164731926, 247097889, 329463852, 494195778, 988391556]

約数ペア:

[(1, 988391556), (2, 494195778), (3, 329463852), (4, 247097889), (6, 164731926), (9, 109821284), (12, 82365963), (18, 54910642), (36, 27455321), (83, 11908332), (166, 5954166), (249, 3969444), (332, 2977083), (498, 1984722), (747, 1323148), (996, 992361), (1494, 661574), (2988, 330787)]