1640784078

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{4177}}^1$

素因数の和:4481

約数の個数: 48

約数和(自身を含む): 3604277040

約数和(自身を除く): 1963492962

約数列:

[1, 2, 3, 6, 9, 18, 139, 157, 278, 314, 417, 471, 834, 942, 1251, 1413, 2502, 2826, 4177, 8354, 12531, 21823, 25062, 37593, 43646, 65469, 75186, 130938, 196407, 392814, 580603, 655789, 1161206, 1311578, 1741809, 1967367, 3483618, 3934734, 5225427, 5902101, 10450854, 11804202, 91154671, 182309342, 273464013, 546928026, 820392039, 1640784078]

約数ペア:

[(1, 1640784078), (2, 820392039), (3, 546928026), (6, 273464013), (9, 182309342), (18, 91154671), (139, 11804202), (157, 10450854), (278, 5902101), (314, 5225427), (417, 3934734), (471, 3483618), (834, 1967367), (942, 1741809), (1251, 1311578), (1413, 1161206), (2502, 655789), (2826, 580603), (4177, 392814), (8354, 196407), (12531, 130938), (21823, 75186), (25062, 65469), (37593, 43646)]