2581956

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:642

約数の個数: 60

約数和(自身を含む): 7280812

約数和(自身を除く): 4698856

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 613, 702, 1053, 1226, 1404, 1839, 2106, 2452, 3678, 4212, 5517, 7356, 7969, 11034, 15938, 16551, 22068, 23907, 31876, 33102, 47814, 49653, 66204, 71721, 95628, 99306, 143442, 198612, 215163, 286884, 430326, 645489, 860652, 1290978, 2581956]

約数ペア:

[(1, 2581956), (2, 1290978), (3, 860652), (4, 645489), (6, 430326), (9, 286884), (12, 215163), (13, 198612), (18, 143442), (26, 99306), (27, 95628), (36, 71721), (39, 66204), (52, 49653), (54, 47814), (78, 33102), (81, 31876), (108, 23907), (117, 22068), (156, 16551), (162, 15938), (234, 11034), (324, 7969), (351, 7356), (468, 5517), (613, 4212), (702, 3678), (1053, 2452), (1226, 2106), (1404, 1839)]