7117747

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 32

約数和(自身を含む): 9580032

約数和(自身を除く): 2462285

約数列:

[1, 7, 13, 17, 43, 91, 107, 119, 221, 301, 559, 731, 749, 1391, 1547, 1819, 3913, 4601, 5117, 9503, 9737, 12733, 23647, 32207, 59813, 66521, 78217, 165529, 418691, 547519, 1016821, 7117747]

約数ペア:

[(1, 7117747), (7, 1016821), (13, 547519), (17, 418691), (43, 165529), (91, 78217), (107, 66521), (119, 59813), (221, 32207), (301, 23647), (559, 12733), (731, 9737), (749, 9503), (1391, 5117), (1547, 4601), (1819, 3913)]