2778429885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{12211}}^1$

素因数の和:12434

約数の個数: 64

約数和(自身を含む): 5571016704

約数和(自身を除く): 2792586819

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 197, 231, 385, 591, 985, 1155, 1379, 2167, 2955, 4137, 6501, 6895, 10835, 12211, 15169, 20685, 32505, 36633, 45507, 61055, 75845, 85477, 134321, 183165, 227535, 256431, 402963, 427385, 671605, 940247, 1282155, 2014815, 2405567, 2820741, 4701235, 7216701, 12027835, 14103705, 16838969, 26461237, 36083505, 50516907, 79383711, 84194845, 132306185, 185228659, 252584535, 396918555, 555685977, 926143295, 2778429885]

約数ペア:

[(1, 2778429885), (3, 926143295), (5, 555685977), (7, 396918555), (11, 252584535), (15, 185228659), (21, 132306185), (33, 84194845), (35, 79383711), (55, 50516907), (77, 36083505), (105, 26461237), (165, 16838969), (197, 14103705), (231, 12027835), (385, 7216701), (591, 4701235), (985, 2820741), (1155, 2405567), (1379, 2014815), (2167, 1282155), (2955, 940247), (4137, 671605), (6501, 427385), (6895, 402963), (10835, 256431), (12211, 227535), (15169, 183165), (20685, 134321), (32505, 85477), (36633, 75845), (45507, 61055)]