28292026

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 54558720

約数和(自身を除く): 26266694

約数列:

[1, 2, 7, 14, 19, 31, 38, 47, 62, 73, 94, 133, 146, 217, 266, 329, 434, 511, 589, 658, 893, 1022, 1178, 1387, 1457, 1786, 2263, 2774, 2914, 3431, 4123, 4526, 6251, 6862, 8246, 9709, 10199, 12502, 15841, 19418, 20398, 24017, 27683, 31682, 42997, 48034, 55366, 65189, 85994, 106361, 130378, 193781, 212722, 300979, 387562, 456323, 601958, 744527, 912646, 1489054, 2020859, 4041718, 14146013, 28292026]

約数ペア:

[(1, 28292026), (2, 14146013), (7, 4041718), (14, 2020859), (19, 1489054), (31, 912646), (38, 744527), (47, 601958), (62, 456323), (73, 387562), (94, 300979), (133, 212722), (146, 193781), (217, 130378), (266, 106361), (329, 85994), (434, 65189), (511, 55366), (589, 48034), (658, 42997), (893, 31682), (1022, 27683), (1178, 24017), (1387, 20398), (1457, 19418), (1786, 15841), (2263, 12502), (2774, 10199), (2914, 9709), (3431, 8246), (4123, 6862), (4526, 6251)]