66218488

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 146764800

約数和(自身を除く): 80546312

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 139, 181, 188, 278, 329, 362, 376, 556, 658, 724, 973, 1112, 1267, 1316, 1448, 1946, 2534, 2632, 3892, 5068, 6533, 7784, 8507, 10136, 13066, 17014, 25159, 26132, 34028, 45731, 50318, 52264, 59549, 68056, 91462, 100636, 119098, 176113, 182924, 201272, 238196, 352226, 365848, 476392, 704452, 1182473, 1408904, 2364946, 4729892, 8277311, 9459784, 16554622, 33109244, 66218488]

約数ペア:

[(1, 66218488), (2, 33109244), (4, 16554622), (7, 9459784), (8, 8277311), (14, 4729892), (28, 2364946), (47, 1408904), (56, 1182473), (94, 704452), (139, 476392), (181, 365848), (188, 352226), (278, 238196), (329, 201272), (362, 182924), (376, 176113), (556, 119098), (658, 100636), (724, 91462), (973, 68056), (1112, 59549), (1267, 52264), (1316, 50318), (1448, 45731), (1946, 34028), (2534, 26132), (2632, 25159), (3892, 17014), (5068, 13066), (6533, 10136), (7784, 8507)]