201620646556

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1\times {\mathrm{172999}}^1$

素因数の和:173506

約数の個数: 48

約数和(自身を含む): 408058560000

約数和(自身を除く): 206437913444

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 389, 428, 749, 778, 1498, 1556, 2723, 2996, 5446, 10892, 41623, 83246, 166492, 172999, 291361, 345998, 582722, 691996, 1165444, 1210993, 2421986, 4843972, 18510893, 37021786, 67296611, 74043572, 129576251, 134593222, 259152502, 269186444, 471076277, 518305004, 942152554, 1884305108, 7200737377, 14401474754, 28802949508, 50405161639, 100810323278, 201620646556]

約数ペア:

[(1, 201620646556), (2, 100810323278), (4, 50405161639), (7, 28802949508), (14, 14401474754), (28, 7200737377), (107, 1884305108), (214, 942152554), (389, 518305004), (428, 471076277), (749, 269186444), (778, 259152502), (1498, 134593222), (1556, 129576251), (2723, 74043572), (2996, 67296611), (5446, 37021786), (10892, 18510893), (41623, 4843972), (83246, 2421986), (166492, 1210993), (172999, 1165444), (291361, 691996), (345998, 582722)]