220463089

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 299230848

約数和(自身を除く): 78767759

約数列:

[1, 7, 11, 17, 61, 77, 119, 121, 187, 251, 427, 671, 847, 1037, 1309, 1757, 2057, 2761, 4267, 4697, 7259, 7381, 11407, 14399, 15311, 19327, 29869, 30371, 46937, 51667, 79849, 107177, 125477, 168421, 212597, 260287, 328559, 516307, 878339, 1178947, 1822009, 1852631, 2863157, 3614149, 12968417, 20042099, 31494727, 220463089]

約数ペア:

[(1, 220463089), (7, 31494727), (11, 20042099), (17, 12968417), (61, 3614149), (77, 2863157), (119, 1852631), (121, 1822009), (187, 1178947), (251, 878339), (427, 516307), (671, 328559), (847, 260287), (1037, 212597), (1309, 168421), (1757, 125477), (2057, 107177), (2761, 79849), (4267, 51667), (4697, 46937), (7259, 30371), (7381, 29869), (11407, 19327), (14399, 15311)]