251223028

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{208657}}^1$

素因数の和:208711

約数の個数: 24

約数和(自身を含む): 514133312

約数和(自身を除く): 262910284

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 208657, 417314, 834628, 1460599, 2921198, 5842396, 8972251, 17944502, 35889004, 62805757, 125611514, 251223028]

約数ペア:

[(1, 251223028), (2, 125611514), (4, 62805757), (7, 35889004), (14, 17944502), (28, 8972251), (43, 5842396), (86, 2921198), (172, 1460599), (301, 834628), (602, 417314), (1204, 208657)]