261280558

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{17491}}^1$

素因数の和:17608

約数の個数: 32

約数和(自身を含む): 493694208

約数和(自身を除く): 232413650

約数列:

[1, 2, 7, 11, 14, 22, 77, 97, 154, 194, 679, 1067, 1358, 2134, 7469, 14938, 17491, 34982, 122437, 192401, 244874, 384802, 1346807, 1696627, 2693614, 3393254, 11876389, 18662897, 23752778, 37325794, 130640279, 261280558]

約数ペア:

[(1, 261280558), (2, 130640279), (7, 37325794), (11, 23752778), (14, 18662897), (22, 11876389), (77, 3393254), (97, 2693614), (154, 1696627), (194, 1346807), (679, 384802), (1067, 244874), (1358, 192401), (2134, 122437), (7469, 34982), (14938, 17491)]