66721284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{977}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 193659648

約数和(自身を除く): 126938364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 271, 542, 813, 977, 1084, 1626, 1897, 1954, 2439, 2931, 3252, 3794, 3908, 4878, 5691, 5862, 6839, 7588, 8793, 9756, 11382, 11724, 13678, 17073, 17586, 20517, 22764, 27356, 34146, 35172, 41034, 61551, 68292, 82068, 123102, 246204, 264767, 529534, 794301, 1059068, 1588602, 1853369, 2382903, 3177204, 3706738, 4765806, 5560107, 7413476, 9531612, 11120214, 16680321, 22240428, 33360642, 66721284]

約数ペア:

[(1, 66721284), (2, 33360642), (3, 22240428), (4, 16680321), (6, 11120214), (7, 9531612), (9, 7413476), (12, 5560107), (14, 4765806), (18, 3706738), (21, 3177204), (28, 2382903), (36, 1853369), (42, 1588602), (63, 1059068), (84, 794301), (126, 529534), (252, 264767), (271, 246204), (542, 123102), (813, 82068), (977, 68292), (1084, 61551), (1626, 41034), (1897, 35172), (1954, 34146), (2439, 27356), (2931, 22764), (3252, 20517), (3794, 17586), (3908, 17073), (4878, 13678), (5691, 11724), (5862, 11382), (6839, 9756), (7588, 8793)]