217466890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{9203}}^1$

素因数の和:9366

約数の個数: 32

約数和(自身を含む): 417493440

約数和(自身を除く): 200026550

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 9203, 11815, 18406, 23630, 46015, 92030, 156451, 312902, 782255, 1279217, 1564510, 2558434, 6396085, 12792170, 21746689, 43493378, 108733445, 217466890]

約数ペア:

[(1, 217466890), (2, 108733445), (5, 43493378), (10, 21746689), (17, 12792170), (34, 6396085), (85, 2558434), (139, 1564510), (170, 1279217), (278, 782255), (695, 312902), (1390, 156451), (2363, 92030), (4726, 46015), (9203, 23630), (11815, 18406)]