209675510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{65729}}^1$

素因数の和:65776

約数の個数: 32

約数和(自身を含む): 425930400

約数和(自身を除く): 216254890

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 65729, 131458, 328645, 657290, 723019, 1446038, 1906141, 3615095, 3812282, 7230190, 9530705, 19061410, 20967551, 41935102, 104837755, 209675510]

約数ペア:

[(1, 209675510), (2, 104837755), (5, 41935102), (10, 20967551), (11, 19061410), (22, 9530705), (29, 7230190), (55, 3812282), (58, 3615095), (110, 1906141), (145, 1446038), (290, 723019), (319, 657290), (638, 328645), (1595, 131458), (3190, 65729)]