639924264

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{1269691}}^1$

素因数の和:1269710

約数の個数: 48

約数和(自身を含む): 1980719520

約数和(自身を除く): 1340795256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 1269691, 2539382, 3809073, 5078764, 7618146, 8887837, 10157528, 11427219, 15236292, 17775674, 22854438, 26663511, 30472584, 35551348, 45708876, 53327022, 71102696, 79990533, 91417752, 106654044, 159981066, 213308088, 319962132, 639924264]

約数ペア:

[(1, 639924264), (2, 319962132), (3, 213308088), (4, 159981066), (6, 106654044), (7, 91417752), (8, 79990533), (9, 71102696), (12, 53327022), (14, 45708876), (18, 35551348), (21, 30472584), (24, 26663511), (28, 22854438), (36, 17775674), (42, 15236292), (56, 11427219), (63, 10157528), (72, 8887837), (84, 7618146), (126, 5078764), (168, 3809073), (252, 2539382), (504, 1269691)]