26828431

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 7385969

約数列:

[1, 7, 17, 43, 49, 107, 119, 301, 343, 731, 749, 833, 1819, 2107, 4601, 5117, 5243, 5831, 12733, 14749, 32207, 35819, 36701, 78217, 89131, 225449, 250733, 547519, 623917, 1578143, 3832633, 26828431]

約数ペア:

[(1, 26828431), (7, 3832633), (17, 1578143), (43, 623917), (49, 547519), (107, 250733), (119, 225449), (301, 89131), (343, 78217), (731, 36701), (749, 35819), (833, 32207), (1819, 14749), (2107, 12733), (4601, 5831), (5117, 5243)]