128429714

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1327}}^1$

素因数の和:1590

約数の個数: 32

約数和(自身を含む): 228458496

約数和(自身を除く): 100028782

約数列:

[1, 2, 7, 14, 31, 62, 217, 223, 434, 446, 1327, 1561, 2654, 3122, 6913, 9289, 13826, 18578, 41137, 48391, 82274, 96782, 287959, 295921, 575918, 591842, 2071447, 4142894, 9173551, 18347102, 64214857, 128429714]

約数ペア:

[(1, 128429714), (2, 64214857), (7, 18347102), (14, 9173551), (31, 4142894), (62, 2071447), (217, 591842), (223, 575918), (434, 295921), (446, 287959), (1327, 96782), (1561, 82274), (2654, 48391), (3122, 41137), (6913, 18578), (9289, 13826)]