257317874

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 450455040

約数和(自身を除く): 193137166

約数列:

[1, 2, 11, 19, 22, 38, 121, 191, 209, 242, 293, 382, 418, 586, 2101, 2299, 3223, 3629, 4202, 4598, 5567, 6446, 7258, 11134, 23111, 35453, 39919, 46222, 55963, 61237, 70906, 79838, 111926, 122474, 439109, 615593, 673607, 878218, 1063297, 1231186, 1347214, 2126594, 6771523, 11696267, 13543046, 23392534, 128658937, 257317874]

約数ペア:

[(1, 257317874), (2, 128658937), (11, 23392534), (19, 13543046), (22, 11696267), (38, 6771523), (121, 2126594), (191, 1347214), (209, 1231186), (242, 1063297), (293, 878218), (382, 673607), (418, 615593), (586, 439109), (2101, 122474), (2299, 111926), (3223, 79838), (3629, 70906), (4202, 61237), (4598, 55963), (5567, 46222), (6446, 39919), (7258, 35453), (11134, 23111)]